20485850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 50461056

約数和(自身を除く): 29975206

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 154, 170, 175, 187, 238, 275, 313, 350, 374, 385, 425, 550, 595, 626, 770, 850, 935, 1190, 1309, 1565, 1870, 1925, 2191, 2618, 2975, 3130, 3443, 3850, 4382, 4675, 5321, 5950, 6545, 6886, 7825, 9350, 10642, 10955, 13090, 15650, 17215, 21910, 24101, 26605, 32725, 34430, 37247, 48202, 53210, 54775, 58531, 65450, 74494, 86075, 109550, 117062, 120505, 133025, 172150, 186235, 241010, 266050, 292655, 372470, 409717, 585310, 602525, 819434, 931175, 1205050, 1463275, 1862350, 2048585, 2926550, 4097170, 10242925, 20485850]

約数ペア:

[(1, 20485850), (2, 10242925), (5, 4097170), (7, 2926550), (10, 2048585), (11, 1862350), (14, 1463275), (17, 1205050), (22, 931175), (25, 819434), (34, 602525), (35, 585310), (50, 409717), (55, 372470), (70, 292655), (77, 266050), (85, 241010), (110, 186235), (119, 172150), (154, 133025), (170, 120505), (175, 117062), (187, 109550), (238, 86075), (275, 74494), (313, 65450), (350, 58531), (374, 54775), (385, 53210), (425, 48202), (550, 37247), (595, 34430), (626, 32725), (770, 26605), (850, 24101), (935, 21910), (1190, 17215), (1309, 15650), (1565, 13090), (1870, 10955), (1925, 10642), (2191, 9350), (2618, 7825), (2975, 6886), (3130, 6545), (3443, 5950), (3850, 5321), (4382, 4675)]