20149555660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2027}}^1$

素因数の和:2252

約数の個数: 144

約数和(自身を含む): 48819135456

約数和(自身を除く): 28669579796

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 173, 221, 260, 338, 340, 346, 442, 676, 692, 845, 865, 884, 1105, 1690, 1730, 2027, 2210, 2249, 2873, 2941, 3380, 3460, 4054, 4420, 4498, 5746, 5882, 8108, 8996, 10135, 11245, 11492, 11764, 14365, 14705, 20270, 22490, 26351, 28730, 29237, 29410, 34459, 38233, 40540, 44980, 52702, 57460, 58474, 58820, 68918, 76466, 105404, 116948, 131755, 137836, 146185, 152932, 172295, 191165, 263510, 292370, 342563, 344590, 350671, 382330, 447967, 497029, 527020, 584740, 685126, 689180, 701342, 764660, 895934, 994058, 1370252, 1402684, 1712815, 1753355, 1791868, 1988116, 2239835, 2485145, 3425630, 3506710, 4479670, 4558723, 4970290, 5823571, 5961407, 6851260, 7013420, 8959340, 9117446, 9940580, 11647142, 11922814, 18234892, 22793615, 23294284, 23845628, 29117855, 29807035, 45587230, 58235710, 59263399, 59614070, 77498291, 91174460, 116471420, 118526798, 119228140, 154996582, 237053596, 296316995, 309993164, 387491455, 592633990, 774982910, 1007477783, 1185267980, 1549965820, 2014955566, 4029911132, 5037388915, 10074777830, 20149555660]

約数ペア:

[(1, 20149555660), (2, 10074777830), (4, 5037388915), (5, 4029911132), (10, 2014955566), (13, 1549965820), (17, 1185267980), (20, 1007477783), (26, 774982910), (34, 592633990), (52, 387491455), (65, 309993164), (68, 296316995), (85, 237053596), (130, 154996582), (169, 119228140), (170, 118526798), (173, 116471420), (221, 91174460), (260, 77498291), (338, 59614070), (340, 59263399), (346, 58235710), (442, 45587230), (676, 29807035), (692, 29117855), (845, 23845628), (865, 23294284), (884, 22793615), (1105, 18234892), (1690, 11922814), (1730, 11647142), (2027, 9940580), (2210, 9117446), (2249, 8959340), (2873, 7013420), (2941, 6851260), (3380, 5961407), (3460, 5823571), (4054, 4970290), (4420, 4558723), (4498, 4479670), (5746, 3506710), (5882, 3425630), (8108, 2485145), (8996, 2239835), (10135, 1988116), (11245, 1791868), (11492, 1753355), (11764, 1712815), (14365, 1402684), (14705, 1370252), (20270, 994058), (22490, 895934), (26351, 764660), (28730, 701342), (29237, 689180), (29410, 685126), (34459, 584740), (38233, 527020), (40540, 497029), (44980, 447967), (52702, 382330), (57460, 350671), (58474, 344590), (58820, 342563), (68918, 292370), (76466, 263510), (105404, 191165), (116948, 172295), (131755, 152932), (137836, 146185)]