20737223420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1\times {\mathrm{9859}}^1$

素因数の和:10538

約数の個数: 48

約数和(自身を含む): 43830460800

約数和(自身を除く): 23093237380

約数列:

[1, 2, 4, 5, 10, 20, 251, 419, 502, 838, 1004, 1255, 1676, 2095, 2510, 4190, 5020, 8380, 9859, 19718, 39436, 49295, 98590, 105169, 197180, 210338, 420676, 525845, 1051690, 2103380, 2474609, 4130921, 4949218, 8261842, 9898436, 12373045, 16523684, 20654605, 24746090, 41309210, 49492180, 82618420, 1036861171, 2073722342, 4147444684, 5184305855, 10368611710, 20737223420]

約数ペア:

[(1, 20737223420), (2, 10368611710), (4, 5184305855), (5, 4147444684), (10, 2073722342), (20, 1036861171), (251, 82618420), (419, 49492180), (502, 41309210), (838, 24746090), (1004, 20654605), (1255, 16523684), (1676, 12373045), (2095, 9898436), (2510, 8261842), (4190, 4949218), (5020, 4130921), (8380, 2474609), (9859, 2103380), (19718, 1051690), (39436, 525845), (49295, 420676), (98590, 210338), (105169, 197180)]