20123803510

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{751}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 37190430720

約数和(自身を除く): 17066627210

約数列:

[1, 2, 5, 10, 79, 107, 158, 214, 317, 395, 535, 634, 751, 790, 1070, 1502, 1585, 3170, 3755, 7510, 8453, 16906, 25043, 33919, 42265, 50086, 59329, 67838, 80357, 84530, 118658, 125215, 160714, 169595, 238067, 250430, 296645, 339190, 401785, 476134, 593290, 803570, 1190335, 2380670, 2679601, 5359202, 6348203, 12696406, 13398005, 18807293, 25473169, 26796010, 31741015, 37614586, 50946338, 63482030, 94036465, 127365845, 188072930, 254731690, 2012380351, 4024760702, 10061901755, 20123803510]

約数ペア:

[(1, 20123803510), (2, 10061901755), (5, 4024760702), (10, 2012380351), (79, 254731690), (107, 188072930), (158, 127365845), (214, 94036465), (317, 63482030), (395, 50946338), (535, 37614586), (634, 31741015), (751, 26796010), (790, 25473169), (1070, 18807293), (1502, 13398005), (1585, 12696406), (3170, 6348203), (3755, 5359202), (7510, 2679601), (8453, 2380670), (16906, 1190335), (25043, 803570), (33919, 593290), (42265, 476134), (50086, 401785), (59329, 339190), (67838, 296645), (80357, 250430), (84530, 238067), (118658, 169595), (125215, 160714)]