20375550

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 168

約数和(自身を含む): 62615784

約数和(自身を除く): 42240234

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 43, 45, 50, 54, 65, 75, 78, 81, 86, 90, 117, 129, 130, 135, 150, 162, 195, 215, 225, 234, 243, 258, 270, 325, 351, 387, 390, 405, 430, 450, 486, 559, 585, 645, 650, 675, 702, 729, 774, 810, 975, 1053, 1075, 1118, 1161, 1170, 1215, 1290, 1350, 1458, 1677, 1755, 1935, 1950, 2025, 2106, 2150, 2322, 2430, 2795, 2925, 3159, 3225, 3354, 3483, 3510, 3645, 3870, 4050, 5031, 5265, 5590, 5805, 5850, 6075, 6318, 6450, 6966, 7290, 8385, 8775, 9477, 9675, 10062, 10449, 10530, 11610, 12150, 13975, 15093, 15795, 16770, 17415, 17550, 18225, 18954, 19350, 20898, 25155, 26325, 27950, 29025, 30186, 31347, 31590, 34830, 36450, 41925, 45279, 47385, 50310, 52245, 52650, 58050, 62694, 75465, 78975, 83850, 87075, 90558, 94770, 104490, 125775, 135837, 150930, 156735, 157950, 174150, 226395, 236925, 251550, 261225, 271674, 313470, 377325, 407511, 452790, 473850, 522450, 679185, 754650, 783675, 815022, 1131975, 1358370, 1567350, 2037555, 2263950, 3395925, 4075110, 6791850, 10187775, 20375550]

約数ペア:

[(1, 20375550), (2, 10187775), (3, 6791850), (5, 4075110), (6, 3395925), (9, 2263950), (10, 2037555), (13, 1567350), (15, 1358370), (18, 1131975), (25, 815022), (26, 783675), (27, 754650), (30, 679185), (39, 522450), (43, 473850), (45, 452790), (50, 407511), (54, 377325), (65, 313470), (75, 271674), (78, 261225), (81, 251550), (86, 236925), (90, 226395), (117, 174150), (129, 157950), (130, 156735), (135, 150930), (150, 135837), (162, 125775), (195, 104490), (215, 94770), (225, 90558), (234, 87075), (243, 83850), (258, 78975), (270, 75465), (325, 62694), (351, 58050), (387, 52650), (390, 52245), (405, 50310), (430, 47385), (450, 45279), (486, 41925), (559, 36450), (585, 34830), (645, 31590), (650, 31347), (675, 30186), (702, 29025), (729, 27950), (774, 26325), (810, 25155), (975, 20898), (1053, 19350), (1075, 18954), (1118, 18225), (1161, 17550), (1170, 17415), (1215, 16770), (1290, 15795), (1350, 15093), (1458, 13975), (1677, 12150), (1755, 11610), (1935, 10530), (1950, 10449), (2025, 10062), (2106, 9675), (2150, 9477), (2322, 8775), (2430, 8385), (2795, 7290), (2925, 6966), (3159, 6450), (3225, 6318), (3354, 6075), (3483, 5850), (3510, 5805), (3645, 5590), (3870, 5265), (4050, 5031)]