20563710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 53193024

約数和(自身を除く): 32629314

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 305, 366, 510, 610, 661, 915, 1037, 1322, 1830, 1983, 2074, 3111, 3305, 3966, 5185, 6222, 6610, 9915, 10370, 11237, 15555, 19830, 22474, 31110, 33711, 40321, 56185, 67422, 80642, 112370, 120963, 168555, 201605, 241926, 337110, 403210, 604815, 685457, 1209630, 1370914, 2056371, 3427285, 4112742, 6854570, 10281855, 20563710]

約数ペア:

[(1, 20563710), (2, 10281855), (3, 6854570), (5, 4112742), (6, 3427285), (10, 2056371), (15, 1370914), (17, 1209630), (30, 685457), (34, 604815), (51, 403210), (61, 337110), (85, 241926), (102, 201605), (122, 168555), (170, 120963), (183, 112370), (255, 80642), (305, 67422), (366, 56185), (510, 40321), (610, 33711), (661, 31110), (915, 22474), (1037, 19830), (1322, 15555), (1830, 11237), (1983, 10370), (2074, 9915), (3111, 6610), (3305, 6222), (3966, 5185)]