20176832988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{49957}}^1$

素因数の和:50843

約数の個数: 72

約数和(自身を含む): 54990569088

約数和(自身を除く): 34813736100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 863, 1726, 2589, 3452, 5178, 7767, 10356, 11219, 15534, 22438, 31068, 33657, 44876, 49957, 67314, 99914, 100971, 134628, 149871, 199828, 201942, 299742, 403884, 449613, 599484, 649441, 899226, 1298882, 1798452, 1948323, 2597764, 3896646, 5844969, 7793292, 11689938, 23379876, 43112891, 86225782, 129338673, 172451564, 258677346, 388016019, 517354692, 560467583, 776032038, 1120935166, 1552064076, 1681402749, 2241870332, 3362805498, 5044208247, 6725610996, 10088416494, 20176832988]

約数ペア:

[(1, 20176832988), (2, 10088416494), (3, 6725610996), (4, 5044208247), (6, 3362805498), (9, 2241870332), (12, 1681402749), (13, 1552064076), (18, 1120935166), (26, 776032038), (36, 560467583), (39, 517354692), (52, 388016019), (78, 258677346), (117, 172451564), (156, 129338673), (234, 86225782), (468, 43112891), (863, 23379876), (1726, 11689938), (2589, 7793292), (3452, 5844969), (5178, 3896646), (7767, 2597764), (10356, 1948323), (11219, 1798452), (15534, 1298882), (22438, 899226), (31068, 649441), (33657, 599484), (44876, 449613), (49957, 403884), (67314, 299742), (99914, 201942), (100971, 199828), (134628, 149871)]