20921844710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1\times {\mathrm{86201}}^1$

素因数の和:88088

約数の個数: 32

約数和(自身を含む): 40578384672

約数和(自身を除く): 19656539962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1867, 3734, 9335, 18670, 24271, 48542, 86201, 121355, 172402, 242710, 431005, 862010, 1120613, 2241226, 5603065, 11206130, 160937267, 321874534, 804686335, 1609372670, 2092184471, 4184368942, 10460922355, 20921844710]

約数ペア:

[(1, 20921844710), (2, 10460922355), (5, 4184368942), (10, 2092184471), (13, 1609372670), (26, 804686335), (65, 321874534), (130, 160937267), (1867, 11206130), (3734, 5603065), (9335, 2241226), (18670, 1120613), (24271, 862010), (48542, 431005), (86201, 242710), (121355, 172402)]