20121490190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7253}}^1\times {\mathrm{16319}}^1$

素因数の和:23596

約数の個数: 32

約数和(自身を含む): 38356830720

約数和(自身を除く): 18235340530

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 7253, 14506, 16319, 32638, 36265, 72530, 81595, 123301, 163190, 246602, 277423, 554846, 616505, 1233010, 1387115, 2774230, 118361707, 236723414, 591808535, 1183617070, 2012149019, 4024298038, 10060745095, 20121490190]

約数ペア:

[(1, 20121490190), (2, 10060745095), (5, 4024298038), (10, 2012149019), (17, 1183617070), (34, 591808535), (85, 236723414), (170, 118361707), (7253, 2774230), (14506, 1387115), (16319, 1233010), (32638, 616505), (36265, 554846), (72530, 277423), (81595, 246602), (123301, 163190)]