20238980260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{126131}}^1$

素因数の和:126324

約数の個数: 48

約数和(自身を含む): 43482241152

約数和(自身を除く): 23243260892

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 565, 710, 1130, 1420, 2260, 8023, 16046, 32092, 40115, 80230, 126131, 160460, 252262, 504524, 630655, 1261310, 2522620, 8955301, 14252803, 17910602, 28505606, 35821204, 44776505, 57011212, 71264015, 89553010, 142528030, 179106020, 285056060, 1011949013, 2023898026, 4047796052, 5059745065, 10119490130, 20238980260]

約数ペア:

[(1, 20238980260), (2, 10119490130), (4, 5059745065), (5, 4047796052), (10, 2023898026), (20, 1011949013), (71, 285056060), (113, 179106020), (142, 142528030), (226, 89553010), (284, 71264015), (355, 57011212), (452, 44776505), (565, 35821204), (710, 28505606), (1130, 17910602), (1420, 14252803), (2260, 8955301), (8023, 2522620), (16046, 1261310), (32092, 630655), (40115, 504524), (80230, 252262), (126131, 160460)]