20005937030

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 37074475008

約数和(自身を除く): 17068537978

約数列:

[1, 2, 5, 10, 53, 106, 163, 265, 326, 367, 530, 631, 734, 815, 1262, 1630, 1835, 3155, 3670, 6310, 8639, 17278, 19451, 33443, 38902, 43195, 59821, 66886, 86390, 97255, 102853, 119642, 167215, 194510, 205706, 231577, 299105, 334430, 463154, 514265, 598210, 1028530, 1157885, 2315770, 3170513, 5451209, 6341026, 10902418, 12273581, 15852565, 24547162, 27256045, 31705130, 37747051, 54512090, 61367905, 75494102, 122735810, 188735255, 377470510, 2000593703, 4001187406, 10002968515, 20005937030]

約数ペア:

[(1, 20005937030), (2, 10002968515), (5, 4001187406), (10, 2000593703), (53, 377470510), (106, 188735255), (163, 122735810), (265, 75494102), (326, 61367905), (367, 54512090), (530, 37747051), (631, 31705130), (734, 27256045), (815, 24547162), (1262, 15852565), (1630, 12273581), (1835, 10902418), (3155, 6341026), (3670, 5451209), (6310, 3170513), (8639, 2315770), (17278, 1157885), (19451, 1028530), (33443, 598210), (38902, 514265), (43195, 463154), (59821, 334430), (66886, 299105), (86390, 231577), (97255, 205706), (102853, 194510), (119642, 167215)]