20199783915

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1\times {\mathrm{2399}}^1$

素因数の和:3153

約数の個数: 64

約数和(自身を含む): 36352512000

約数和(自身を除く): 16152728085

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 643, 873, 1455, 1929, 2399, 2619, 3215, 4365, 5787, 7197, 9645, 11995, 13095, 17361, 21591, 28935, 35985, 62371, 64773, 86805, 107955, 187113, 232703, 311855, 323865, 561339, 698109, 935565, 1163515, 1542557, 1684017, 2094327, 2806695, 3490545, 4627671, 6282981, 7712785, 8420085, 10471635, 13883013, 23138355, 31414905, 41649039, 69415065, 149628029, 208245195, 448884087, 748140145, 1346652261, 2244420435, 4039956783, 6733261305, 20199783915]

約数ペア:

[(1, 20199783915), (3, 6733261305), (5, 4039956783), (9, 2244420435), (15, 1346652261), (27, 748140145), (45, 448884087), (97, 208245195), (135, 149628029), (291, 69415065), (485, 41649039), (643, 31414905), (873, 23138355), (1455, 13883013), (1929, 10471635), (2399, 8420085), (2619, 7712785), (3215, 6282981), (4365, 4627671), (5787, 3490545), (7197, 2806695), (9645, 2094327), (11995, 1684017), (13095, 1542557), (17361, 1163515), (21591, 935565), (28935, 698109), (35985, 561339), (62371, 323865), (64773, 311855), (86805, 232703), (107955, 187113)]