20237598915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181609}}^1$

素因数の和:181676

約数の個数: 64

約数和(自身を含む): 37658649600

約数和(自身を除く): 17421050685

約数列:

[1, 3, 5, 15, 17, 19, 23, 51, 57, 69, 85, 95, 115, 255, 285, 323, 345, 391, 437, 969, 1173, 1311, 1615, 1955, 2185, 4845, 5865, 6555, 7429, 22287, 37145, 111435, 181609, 544827, 908045, 2724135, 3087353, 3450571, 4177007, 9262059, 10351713, 12531021, 15436765, 17252855, 20885035, 46310295, 51758565, 58659707, 62655105, 71009119, 79363133, 175979121, 213027357, 238089399, 293298535, 355045595, 396815665, 879895605, 1065136785, 1190446995, 1349173261, 4047519783, 6745866305, 20237598915]

約数ペア:

[(1, 20237598915), (3, 6745866305), (5, 4047519783), (15, 1349173261), (17, 1190446995), (19, 1065136785), (23, 879895605), (51, 396815665), (57, 355045595), (69, 293298535), (85, 238089399), (95, 213027357), (115, 175979121), (255, 79363133), (285, 71009119), (323, 62655105), (345, 58659707), (391, 51758565), (437, 46310295), (969, 20885035), (1173, 17252855), (1311, 15436765), (1615, 12531021), (1955, 10351713), (2185, 9262059), (4845, 4177007), (5865, 3450571), (6555, 3087353), (7429, 2724135), (22287, 908045), (37145, 544827), (111435, 181609)]