20337750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 59304960

約数和(自身を除く): 38967210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 125, 131, 135, 138, 150, 207, 225, 230, 250, 262, 270, 345, 375, 393, 414, 450, 575, 621, 655, 675, 690, 750, 786, 1035, 1125, 1150, 1179, 1242, 1310, 1350, 1725, 1965, 2070, 2250, 2358, 2875, 3013, 3105, 3275, 3375, 3450, 3537, 3930, 5175, 5750, 5895, 6026, 6210, 6550, 6750, 7074, 8625, 9039, 9825, 10350, 11790, 15065, 15525, 16375, 17250, 17685, 18078, 19650, 25875, 27117, 29475, 30130, 31050, 32750, 35370, 45195, 49125, 51750, 54234, 58950, 75325, 77625, 81351, 88425, 90390, 98250, 135585, 147375, 150650, 155250, 162702, 176850, 225975, 271170, 294750, 376625, 406755, 442125, 451950, 677925, 753250, 813510, 884250, 1129875, 1355850, 2033775, 2259750, 3389625, 4067550, 6779250, 10168875, 20337750]

約数ペア:

[(1, 20337750), (2, 10168875), (3, 6779250), (5, 4067550), (6, 3389625), (9, 2259750), (10, 2033775), (15, 1355850), (18, 1129875), (23, 884250), (25, 813510), (27, 753250), (30, 677925), (45, 451950), (46, 442125), (50, 406755), (54, 376625), (69, 294750), (75, 271170), (90, 225975), (115, 176850), (125, 162702), (131, 155250), (135, 150650), (138, 147375), (150, 135585), (207, 98250), (225, 90390), (230, 88425), (250, 81351), (262, 77625), (270, 75325), (345, 58950), (375, 54234), (393, 51750), (414, 49125), (450, 45195), (575, 35370), (621, 32750), (655, 31050), (675, 30130), (690, 29475), (750, 27117), (786, 25875), (1035, 19650), (1125, 18078), (1150, 17685), (1179, 17250), (1242, 16375), (1310, 15525), (1350, 15065), (1725, 11790), (1965, 10350), (2070, 9825), (2250, 9039), (2358, 8625), (2875, 7074), (3013, 6750), (3105, 6550), (3275, 6210), (3375, 6026), (3450, 5895), (3537, 5750), (3930, 5175)]