23151620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 51937200

約数和(自身を除く): 28785580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 457, 596, 745, 914, 1490, 1828, 2285, 2533, 2980, 4570, 5066, 7769, 9140, 10132, 12665, 15538, 25330, 31076, 38845, 50660, 68093, 77690, 136186, 155380, 272372, 340465, 680930, 1157581, 1361860, 2315162, 4630324, 5787905, 11575810, 23151620]

約数ペア:

[(1, 23151620), (2, 11575810), (4, 5787905), (5, 4630324), (10, 2315162), (17, 1361860), (20, 1157581), (34, 680930), (68, 340465), (85, 272372), (149, 155380), (170, 136186), (298, 77690), (340, 68093), (457, 50660), (596, 38845), (745, 31076), (914, 25330), (1490, 15538), (1828, 12665), (2285, 10132), (2533, 9140), (2980, 7769), (4570, 5066)]