20128042510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{113}}^1\times {\mathrm{4787}}^1$

素因数の和:5029

約数の個数: 48

約数和(自身を含む): 37167884208

約数和(自身を除く): 17039841698

約数列:

[1, 2, 5, 10, 61, 113, 122, 226, 305, 565, 610, 1130, 3721, 4787, 6893, 7442, 9574, 13786, 18605, 23935, 34465, 37210, 47870, 68930, 292007, 420473, 540931, 584014, 840946, 1081862, 1460035, 2102365, 2704655, 2920070, 4204730, 5409310, 17812427, 32996791, 35624854, 65993582, 89062135, 164983955, 178124270, 329967910, 2012804251, 4025608502, 10064021255, 20128042510]

約数ペア:

[(1, 20128042510), (2, 10064021255), (5, 4025608502), (10, 2012804251), (61, 329967910), (113, 178124270), (122, 164983955), (226, 89062135), (305, 65993582), (565, 35624854), (610, 32996791), (1130, 17812427), (3721, 5409310), (4787, 4204730), (6893, 2920070), (7442, 2704655), (9574, 2102365), (13786, 1460035), (18605, 1081862), (23935, 840946), (34465, 584014), (37210, 540931), (47870, 420473), (68930, 292007)]