20772180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 55432620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 269, 270, 286, 297, 330, 351, 390, 396, 429, 468, 495, 538, 540, 572, 585, 594, 660, 702, 715, 780, 807, 858, 990, 1076, 1170, 1188, 1287, 1345, 1404, 1430, 1485, 1614, 1716, 1755, 1980, 2145, 2340, 2421, 2574, 2690, 2860, 2959, 2970, 3228, 3497, 3510, 3861, 4035, 4290, 4842, 5148, 5380, 5918, 5940, 6435, 6994, 7020, 7263, 7722, 8070, 8580, 8877, 9684, 10491, 11836, 12105, 12870, 13988, 14526, 14795, 15444, 16140, 17485, 17754, 19305, 20982, 24210, 25740, 26631, 29052, 29590, 31473, 34970, 35508, 36315, 38467, 38610, 41964, 44385, 48420, 52455, 53262, 59180, 62946, 69940, 72630, 76934, 77220, 79893, 88770, 94419, 104910, 106524, 115401, 125892, 133155, 145260, 153868, 157365, 159786, 177540, 188838, 192335, 209820, 230802, 266310, 314730, 319572, 346203, 377676, 384670, 399465, 461604, 472095, 532620, 577005, 629460, 692406, 769340, 798930, 944190, 1038609, 1154010, 1384812, 1597860, 1731015, 1888380, 2077218, 2308020, 3462030, 4154436, 5193045, 6924060, 10386090, 20772180]

約数ペア:

[(1, 20772180), (2, 10386090), (3, 6924060), (4, 5193045), (5, 4154436), (6, 3462030), (9, 2308020), (10, 2077218), (11, 1888380), (12, 1731015), (13, 1597860), (15, 1384812), (18, 1154010), (20, 1038609), (22, 944190), (26, 798930), (27, 769340), (30, 692406), (33, 629460), (36, 577005), (39, 532620), (44, 472095), (45, 461604), (52, 399465), (54, 384670), (55, 377676), (60, 346203), (65, 319572), (66, 314730), (78, 266310), (90, 230802), (99, 209820), (108, 192335), (110, 188838), (117, 177540), (130, 159786), (132, 157365), (135, 153868), (143, 145260), (156, 133155), (165, 125892), (180, 115401), (195, 106524), (198, 104910), (220, 94419), (234, 88770), (260, 79893), (269, 77220), (270, 76934), (286, 72630), (297, 69940), (330, 62946), (351, 59180), (390, 53262), (396, 52455), (429, 48420), (468, 44385), (495, 41964), (538, 38610), (540, 38467), (572, 36315), (585, 35508), (594, 34970), (660, 31473), (702, 29590), (715, 29052), (780, 26631), (807, 25740), (858, 24210), (990, 20982), (1076, 19305), (1170, 17754), (1188, 17485), (1287, 16140), (1345, 15444), (1404, 14795), (1430, 14526), (1485, 13988), (1614, 12870), (1716, 12105), (1755, 11836), (1980, 10491), (2145, 9684), (2340, 8877), (2421, 8580), (2574, 8070), (2690, 7722), (2860, 7263), (2959, 7020), (2970, 6994), (3228, 6435), (3497, 5940), (3510, 5918), (3861, 5380), (4035, 5148), (4290, 4842)]