20153253160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:608

約数の個数: 192

約数和(自身を含む): 49950840240

約数和(自身を除く): 29797587080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 101, 136, 164, 170, 202, 205, 289, 328, 340, 404, 410, 421, 505, 578, 680, 697, 808, 820, 842, 1010, 1156, 1394, 1445, 1640, 1684, 1717, 2020, 2105, 2312, 2788, 2890, 3368, 3434, 3485, 4040, 4141, 4210, 5576, 5780, 6868, 6970, 7157, 8282, 8420, 8585, 11560, 11849, 13736, 13940, 14314, 16564, 16840, 17170, 17261, 20705, 23698, 27880, 28628, 29189, 33128, 34340, 34522, 35785, 41410, 42521, 47396, 57256, 58378, 59245, 68680, 69044, 70397, 71570, 82820, 85042, 86305, 94792, 116756, 118490, 121669, 138088, 140794, 143140, 145945, 165640, 170084, 172610, 212605, 233512, 236980, 243338, 281588, 286280, 291890, 293437, 340168, 345220, 351985, 425210, 473960, 486676, 563176, 583780, 586874, 608345, 690440, 703970, 722857, 850420, 973352, 1167560, 1173748, 1196749, 1216690, 1407940, 1445714, 1467185, 1700840, 1743361, 2347496, 2393498, 2433380, 2815880, 2891428, 2934370, 3486722, 3614285, 4786996, 4866760, 4988429, 5782856, 5868740, 5983745, 6973444, 7228570, 8716805, 9573992, 9976858, 11737480, 11967490, 12288569, 13946888, 14457140, 17433610, 19953716, 23934980, 24577138, 24942145, 28914280, 29637137, 34867220, 39907432, 47869960, 49154276, 49884290, 59274274, 61442845, 69734440, 98308552, 99768580, 118548548, 122885690, 148185685, 199537160, 237097096, 245771380, 296371370, 491542760, 503831329, 592742740, 1007662658, 1185485480, 2015325316, 2519156645, 4030650632, 5038313290, 10076626580, 20153253160]

約数ペア:

[(1, 20153253160), (2, 10076626580), (4, 5038313290), (5, 4030650632), (8, 2519156645), (10, 2015325316), (17, 1185485480), (20, 1007662658), (34, 592742740), (40, 503831329), (41, 491542760), (68, 296371370), (82, 245771380), (85, 237097096), (101, 199537160), (136, 148185685), (164, 122885690), (170, 118548548), (202, 99768580), (205, 98308552), (289, 69734440), (328, 61442845), (340, 59274274), (404, 49884290), (410, 49154276), (421, 47869960), (505, 39907432), (578, 34867220), (680, 29637137), (697, 28914280), (808, 24942145), (820, 24577138), (842, 23934980), (1010, 19953716), (1156, 17433610), (1394, 14457140), (1445, 13946888), (1640, 12288569), (1684, 11967490), (1717, 11737480), (2020, 9976858), (2105, 9573992), (2312, 8716805), (2788, 7228570), (2890, 6973444), (3368, 5983745), (3434, 5868740), (3485, 5782856), (4040, 4988429), (4141, 4866760), (4210, 4786996), (5576, 3614285), (5780, 3486722), (6868, 2934370), (6970, 2891428), (7157, 2815880), (8282, 2433380), (8420, 2393498), (8585, 2347496), (11560, 1743361), (11849, 1700840), (13736, 1467185), (13940, 1445714), (14314, 1407940), (16564, 1216690), (16840, 1196749), (17170, 1173748), (17261, 1167560), (20705, 973352), (23698, 850420), (27880, 722857), (28628, 703970), (29189, 690440), (33128, 608345), (34340, 586874), (34522, 583780), (35785, 563176), (41410, 486676), (42521, 473960), (47396, 425210), (57256, 351985), (58378, 345220), (59245, 340168), (68680, 293437), (69044, 291890), (70397, 286280), (71570, 281588), (82820, 243338), (85042, 236980), (86305, 233512), (94792, 212605), (116756, 172610), (118490, 170084), (121669, 165640), (138088, 145945), (140794, 143140)]