20091963185

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1193}}^1\times {\mathrm{1297}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 28621928016

約数和(自身を除く): 8529964831

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1193, 1297, 1855, 2597, 5965, 6485, 8351, 9079, 12985, 41755, 45395, 58457, 63229, 63553, 68741, 292285, 316145, 317765, 343705, 442603, 481187, 1547321, 2213015, 2405935, 3098221, 3368309, 7736605, 10831247, 15491105, 16841545, 54156235, 75818729, 82008013, 379093645, 410040065, 574056091, 2870280455, 4018392637, 20091963185]

約数ペア:

[(1, 20091963185), (5, 4018392637), (7, 2870280455), (35, 574056091), (49, 410040065), (53, 379093645), (245, 82008013), (265, 75818729), (371, 54156235), (1193, 16841545), (1297, 15491105), (1855, 10831247), (2597, 7736605), (5965, 3368309), (6485, 3098221), (8351, 2405935), (9079, 2213015), (12985, 1547321), (41755, 481187), (45395, 442603), (58457, 343705), (63229, 317765), (63553, 316145), (68741, 292285)]