20177085915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{28711}}^1$

素因数の和:28849

約数の個数: 96

約数和(自身を含む): 42139109376

約数和(自身を除く): 21962023461

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 97, 105, 115, 161, 207, 291, 315, 345, 483, 485, 679, 805, 873, 1035, 1449, 1455, 2037, 2231, 2415, 3395, 4365, 6111, 6693, 7245, 10185, 11155, 15617, 20079, 28711, 30555, 33465, 46851, 78085, 86133, 100395, 140553, 143555, 200977, 234255, 258399, 430665, 602931, 660353, 702765, 1004885, 1291995, 1808793, 1981059, 2784967, 3014655, 3301765, 4622471, 5943177, 8354901, 9043965, 9905295, 13867413, 13924835, 19494769, 23112355, 25064703, 29715885, 41602239, 41774505, 58484307, 64054241, 69337065, 97473845, 125323515, 175452921, 192162723, 208011195, 292421535, 320271205, 448379687, 576488169, 877264605, 960813615, 1345139061, 2241898435, 2882440845, 4035417183, 6725695305, 20177085915]

約数ペア:

[(1, 20177085915), (3, 6725695305), (5, 4035417183), (7, 2882440845), (9, 2241898435), (15, 1345139061), (21, 960813615), (23, 877264605), (35, 576488169), (45, 448379687), (63, 320271205), (69, 292421535), (97, 208011195), (105, 192162723), (115, 175452921), (161, 125323515), (207, 97473845), (291, 69337065), (315, 64054241), (345, 58484307), (483, 41774505), (485, 41602239), (679, 29715885), (805, 25064703), (873, 23112355), (1035, 19494769), (1449, 13924835), (1455, 13867413), (2037, 9905295), (2231, 9043965), (2415, 8354901), (3395, 5943177), (4365, 4622471), (6111, 3301765), (6693, 3014655), (7245, 2784967), (10185, 1981059), (11155, 1808793), (15617, 1291995), (20079, 1004885), (28711, 702765), (30555, 660353), (33465, 602931), (46851, 430665), (78085, 258399), (86133, 234255), (100395, 200977), (140553, 143555)]