20590570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 53125632

約数和(自身を除く): 32535062

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 17, 22, 26, 34, 35, 55, 65, 70, 77, 85, 91, 110, 119, 121, 130, 143, 154, 170, 182, 187, 221, 238, 242, 286, 374, 385, 442, 455, 595, 605, 715, 770, 847, 910, 935, 1001, 1105, 1190, 1210, 1309, 1331, 1430, 1547, 1573, 1694, 1870, 2002, 2057, 2210, 2431, 2618, 2662, 3094, 3146, 4114, 4235, 4862, 5005, 6545, 6655, 7735, 7865, 8470, 9317, 10010, 10285, 11011, 12155, 13090, 13310, 14399, 15470, 15730, 17017, 17303, 18634, 20570, 22022, 22627, 24310, 26741, 28798, 34034, 34606, 45254, 46585, 53482, 55055, 71995, 85085, 86515, 93170, 110110, 113135, 121121, 133705, 143990, 158389, 170170, 173030, 187187, 226270, 242242, 267410, 294151, 316778, 374374, 588302, 605605, 791945, 935935, 1211210, 1470755, 1583890, 1871870, 2059057, 2941510, 4118114, 10295285, 20590570]

約数ペア:

[(1, 20590570), (2, 10295285), (5, 4118114), (7, 2941510), (10, 2059057), (11, 1871870), (13, 1583890), (14, 1470755), (17, 1211210), (22, 935935), (26, 791945), (34, 605605), (35, 588302), (55, 374374), (65, 316778), (70, 294151), (77, 267410), (85, 242242), (91, 226270), (110, 187187), (119, 173030), (121, 170170), (130, 158389), (143, 143990), (154, 133705), (170, 121121), (182, 113135), (187, 110110), (221, 93170), (238, 86515), (242, 85085), (286, 71995), (374, 55055), (385, 53482), (442, 46585), (455, 45254), (595, 34606), (605, 34034), (715, 28798), (770, 26741), (847, 24310), (910, 22627), (935, 22022), (1001, 20570), (1105, 18634), (1190, 17303), (1210, 17017), (1309, 15730), (1331, 15470), (1430, 14399), (1547, 13310), (1573, 13090), (1694, 12155), (1870, 11011), (2002, 10285), (2057, 10010), (2210, 9317), (2431, 8470), (2618, 7865), (2662, 7735), (3094, 6655), (3146, 6545), (4114, 5005), (4235, 4862)]