20123983490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5303}}^1\times {\mathrm{29191}}^1$

素因数の和:34514

約数の個数: 32

約数和(自身を含む): 39018260736

約数和(自身を除く): 18894277246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5303, 10606, 26515, 29191, 53030, 58382, 68939, 137878, 145955, 291910, 344695, 379483, 689390, 758966, 1897415, 3794830, 154799873, 309599746, 773999365, 1547998730, 2012398349, 4024796698, 10061991745, 20123983490]

約数ペア:

[(1, 20123983490), (2, 10061991745), (5, 4024796698), (10, 2012398349), (13, 1547998730), (26, 773999365), (65, 309599746), (130, 154799873), (5303, 3794830), (10606, 1897415), (26515, 758966), (29191, 689390), (53030, 379483), (58382, 344695), (68939, 291910), (137878, 145955)]