20159327900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{175757}}^1$

素因数の和:175839

約数の個数: 72

約数和(自身を含む): 46377614976

約数和(自身を除く): 26218287076

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 100, 124, 148, 155, 185, 310, 370, 620, 740, 775, 925, 1147, 1550, 1850, 2294, 3100, 3700, 4588, 5735, 11470, 22940, 28675, 57350, 114700, 175757, 351514, 703028, 878785, 1757570, 3515140, 4393925, 5448467, 6503009, 8787850, 10896934, 13006018, 17575700, 21793868, 26012036, 27242335, 32515045, 54484670, 65030090, 108969340, 130060180, 136211675, 162575225, 201593279, 272423350, 325150450, 403186558, 544846700, 650300900, 806373116, 1007966395, 2015932790, 4031865580, 5039831975, 10079663950, 20159327900]

約数ペア:

[(1, 20159327900), (2, 10079663950), (4, 5039831975), (5, 4031865580), (10, 2015932790), (20, 1007966395), (25, 806373116), (31, 650300900), (37, 544846700), (50, 403186558), (62, 325150450), (74, 272423350), (100, 201593279), (124, 162575225), (148, 136211675), (155, 130060180), (185, 108969340), (310, 65030090), (370, 54484670), (620, 32515045), (740, 27242335), (775, 26012036), (925, 21793868), (1147, 17575700), (1550, 13006018), (1850, 10896934), (2294, 8787850), (3100, 6503009), (3700, 5448467), (4588, 4393925), (5735, 3515140), (11470, 1757570), (22940, 878785), (28675, 703028), (57350, 351514), (114700, 175757)]