20218573890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1\times {\mathrm{2011}}^1$

素因数の和:3669

約数の個数: 128

約数和(自身を含む): 56323123200

約数和(自身を除く): 36104549310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 1619, 2011, 2070, 3105, 3238, 4022, 4857, 6033, 6210, 8095, 9714, 10055, 12066, 14571, 16190, 18099, 20110, 24285, 29142, 30165, 36198, 37237, 43713, 46253, 48570, 54297, 60330, 72855, 74474, 87426, 90495, 92506, 108594, 111711, 138759, 145710, 180990, 186185, 218565, 223422, 231265, 271485, 277518, 335133, 372370, 416277, 437130, 462530, 542970, 558555, 670266, 693795, 832554, 1005399, 1117110, 1248831, 1387590, 1675665, 2010798, 2081385, 2497662, 3255809, 3351330, 4162770, 5026995, 6244155, 6511618, 9767427, 10053990, 12488310, 16279045, 19534854, 29302281, 32558090, 48837135, 58604562, 74883607, 87906843, 97674270, 146511405, 149767214, 175813686, 224650821, 293022810, 374418035, 439534215, 449301642, 673952463, 748836070, 879068430, 1123254105, 1347904926, 2021857389, 2246508210, 3369762315, 4043714778, 6739524630, 10109286945, 20218573890]

約数ペア:

[(1, 20218573890), (2, 10109286945), (3, 6739524630), (5, 4043714778), (6, 3369762315), (9, 2246508210), (10, 2021857389), (15, 1347904926), (18, 1123254105), (23, 879068430), (27, 748836070), (30, 673952463), (45, 449301642), (46, 439534215), (54, 374418035), (69, 293022810), (90, 224650821), (115, 175813686), (135, 149767214), (138, 146511405), (207, 97674270), (230, 87906843), (270, 74883607), (345, 58604562), (414, 48837135), (621, 32558090), (690, 29302281), (1035, 19534854), (1242, 16279045), (1619, 12488310), (2011, 10053990), (2070, 9767427), (3105, 6511618), (3238, 6244155), (4022, 5026995), (4857, 4162770), (6033, 3351330), (6210, 3255809), (8095, 2497662), (9714, 2081385), (10055, 2010798), (12066, 1675665), (14571, 1387590), (16190, 1248831), (18099, 1117110), (20110, 1005399), (24285, 832554), (29142, 693795), (30165, 670266), (36198, 558555), (37237, 542970), (43713, 462530), (46253, 437130), (48570, 416277), (54297, 372370), (60330, 335133), (72855, 277518), (74474, 271485), (87426, 231265), (90495, 223422), (92506, 218565), (108594, 186185), (111711, 180990), (138759, 145710)]