20071857280

素因数分解:

$2^7\times 5^1\times {\mathrm{953}}^1\times {\mathrm{32909}}^1$

素因数の和:33881

約数の個数: 64

約数和(自身を含む): 48036094200

約数和(自身を除く): 27964236920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 953, 1906, 3812, 4765, 7624, 9530, 15248, 19060, 30496, 32909, 38120, 60992, 65818, 76240, 121984, 131636, 152480, 164545, 263272, 304960, 329090, 526544, 609920, 658180, 1053088, 1316360, 2106176, 2632720, 4212352, 5265440, 10530880, 21061760, 31362277, 62724554, 125449108, 156811385, 250898216, 313622770, 501796432, 627245540, 1003592864, 1254491080, 2007185728, 2508982160, 4014371456, 5017964320, 10035928640, 20071857280]

約数ペア:

[(1, 20071857280), (2, 10035928640), (4, 5017964320), (5, 4014371456), (8, 2508982160), (10, 2007185728), (16, 1254491080), (20, 1003592864), (32, 627245540), (40, 501796432), (64, 313622770), (80, 250898216), (128, 156811385), (160, 125449108), (320, 62724554), (640, 31362277), (953, 21061760), (1906, 10530880), (3812, 5265440), (4765, 4212352), (7624, 2632720), (9530, 2106176), (15248, 1316360), (19060, 1053088), (30496, 658180), (32909, 609920), (38120, 526544), (60992, 329090), (65818, 304960), (76240, 263272), (121984, 164545), (131636, 152480)]