20463120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 69667416

約数和(自身を除く): 49204296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 293, 360, 388, 485, 582, 586, 720, 776, 873, 879, 970, 1164, 1172, 1455, 1465, 1552, 1746, 1758, 1940, 2328, 2344, 2637, 2910, 2930, 3492, 3516, 3880, 4365, 4395, 4656, 4688, 5274, 5820, 5860, 6984, 7032, 7760, 8730, 8790, 10548, 11640, 11720, 13185, 13968, 14064, 17460, 17580, 21096, 23280, 23440, 26370, 28421, 34920, 35160, 42192, 52740, 56842, 69840, 70320, 85263, 105480, 113684, 142105, 170526, 210960, 227368, 255789, 284210, 341052, 426315, 454736, 511578, 568420, 682104, 852630, 1023156, 1136840, 1278945, 1364208, 1705260, 2046312, 2273680, 2557890, 3410520, 4092624, 5115780, 6821040, 10231560, 20463120]

約数ペア:

[(1, 20463120), (2, 10231560), (3, 6821040), (4, 5115780), (5, 4092624), (6, 3410520), (8, 2557890), (9, 2273680), (10, 2046312), (12, 1705260), (15, 1364208), (16, 1278945), (18, 1136840), (20, 1023156), (24, 852630), (30, 682104), (36, 568420), (40, 511578), (45, 454736), (48, 426315), (60, 341052), (72, 284210), (80, 255789), (90, 227368), (97, 210960), (120, 170526), (144, 142105), (180, 113684), (194, 105480), (240, 85263), (291, 70320), (293, 69840), (360, 56842), (388, 52740), (485, 42192), (582, 35160), (586, 34920), (720, 28421), (776, 26370), (873, 23440), (879, 23280), (970, 21096), (1164, 17580), (1172, 17460), (1455, 14064), (1465, 13968), (1552, 13185), (1746, 11720), (1758, 11640), (1940, 10548), (2328, 8790), (2344, 8730), (2637, 7760), (2910, 7032), (2930, 6984), (3492, 5860), (3516, 5820), (3880, 5274), (4365, 4688), (4395, 4656)]