20131784090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{74731}}^1$

素因数の和:74859

約数の個数: 64

約数和(自身を含む): 41323806720

約数和(自身を除く): 21192022630

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 79, 110, 155, 158, 310, 341, 395, 682, 790, 869, 1705, 1738, 2449, 3410, 4345, 4898, 8690, 12245, 24490, 26939, 53878, 74731, 134695, 149462, 269390, 373655, 747310, 822041, 1644082, 2316661, 4110205, 4633322, 5903749, 8220410, 11583305, 11807498, 23166610, 25483271, 29518745, 50966542, 59037490, 64941239, 127416355, 129882478, 183016219, 254832710, 324706195, 366032438, 649412390, 915081095, 1830162190, 2013178409, 4026356818, 10065892045, 20131784090]

約数ペア:

[(1, 20131784090), (2, 10065892045), (5, 4026356818), (10, 2013178409), (11, 1830162190), (22, 915081095), (31, 649412390), (55, 366032438), (62, 324706195), (79, 254832710), (110, 183016219), (155, 129882478), (158, 127416355), (310, 64941239), (341, 59037490), (395, 50966542), (682, 29518745), (790, 25483271), (869, 23166610), (1705, 11807498), (1738, 11583305), (2449, 8220410), (3410, 5903749), (4345, 4633322), (4898, 4110205), (8690, 2316661), (12245, 1644082), (24490, 822041), (26939, 747310), (53878, 373655), (74731, 269390), (134695, 149462)]