20813850

素因数分解:

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

素因数の和:2052

約数の個数: 72

約数和(自身を含む): 58380192

約数和(自身を除く): 37566342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 2011, 2070, 3450, 4022, 5175, 6033, 10055, 10350, 12066, 18099, 20110, 30165, 36198, 46253, 50275, 60330, 90495, 92506, 100550, 138759, 150825, 180990, 231265, 277518, 301650, 416277, 452475, 462530, 693795, 832554, 904950, 1156325, 1387590, 2081385, 2312650, 3468975, 4162770, 6937950, 10406925, 20813850]

約数ペア:

[(1, 20813850), (2, 10406925), (3, 6937950), (5, 4162770), (6, 3468975), (9, 2312650), (10, 2081385), (15, 1387590), (18, 1156325), (23, 904950), (25, 832554), (30, 693795), (45, 462530), (46, 452475), (50, 416277), (69, 301650), (75, 277518), (90, 231265), (115, 180990), (138, 150825), (150, 138759), (207, 100550), (225, 92506), (230, 90495), (345, 60330), (414, 50275), (450, 46253), (575, 36198), (690, 30165), (1035, 20110), (1150, 18099), (1725, 12066), (2011, 10350), (2070, 10055), (3450, 6033), (4022, 5175)]