20482620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 41787588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 467, 510, 516, 645, 731, 860, 934, 1020, 1290, 1401, 1462, 1868, 2193, 2335, 2580, 2802, 2924, 3655, 4386, 4670, 5604, 7005, 7310, 7939, 8772, 9340, 10965, 14010, 14620, 15878, 20081, 21930, 23817, 28020, 31756, 39695, 40162, 43860, 47634, 60243, 79390, 80324, 95268, 100405, 119085, 120486, 158780, 200810, 238170, 240972, 301215, 341377, 401620, 476340, 602430, 682754, 1024131, 1204860, 1365508, 1706885, 2048262, 3413770, 4096524, 5120655, 6827540, 10241310, 20482620]

約数ペア:

[(1, 20482620), (2, 10241310), (3, 6827540), (4, 5120655), (5, 4096524), (6, 3413770), (10, 2048262), (12, 1706885), (15, 1365508), (17, 1204860), (20, 1024131), (30, 682754), (34, 602430), (43, 476340), (51, 401620), (60, 341377), (68, 301215), (85, 240972), (86, 238170), (102, 200810), (129, 158780), (170, 120486), (172, 119085), (204, 100405), (215, 95268), (255, 80324), (258, 79390), (340, 60243), (430, 47634), (467, 43860), (510, 40162), (516, 39695), (645, 31756), (731, 28020), (860, 23817), (934, 21930), (1020, 20081), (1290, 15878), (1401, 14620), (1462, 14010), (1868, 10965), (2193, 9340), (2335, 8772), (2580, 7939), (2802, 7310), (2924, 7005), (3655, 5604), (4386, 4670)]