20163505725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{19919}}^1$

素因数の和:20355

約数の個数: 72

約数和(自身を含む): 39496579200

約数和(自身を除く): 19333073475

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 409, 495, 825, 1227, 2045, 2475, 3681, 4499, 6135, 10225, 13497, 18405, 19919, 22495, 30675, 40491, 59757, 67485, 92025, 99595, 112475, 179271, 202455, 219109, 298785, 337425, 497975, 657327, 896355, 1012275, 1095545, 1493925, 1971981, 3286635, 4481775, 5477725, 8146871, 9859905, 16433175, 24440613, 40734355, 49299525, 73321839, 89615581, 122203065, 203671775, 268846743, 366609195, 448077905, 611015325, 806540229, 1344233715, 1833045975, 2240389525, 4032701145, 6721168575, 20163505725]

約数ペア:

[(1, 20163505725), (3, 6721168575), (5, 4032701145), (9, 2240389525), (11, 1833045975), (15, 1344233715), (25, 806540229), (33, 611015325), (45, 448077905), (55, 366609195), (75, 268846743), (99, 203671775), (165, 122203065), (225, 89615581), (275, 73321839), (409, 49299525), (495, 40734355), (825, 24440613), (1227, 16433175), (2045, 9859905), (2475, 8146871), (3681, 5477725), (4499, 4481775), (6135, 3286635), (10225, 1971981), (13497, 1493925), (18405, 1095545), (19919, 1012275), (22495, 896355), (30675, 657327), (40491, 497975), (59757, 337425), (67485, 298785), (92025, 219109), (99595, 202455), (112475, 179271)]