20295310

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 23451890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 97, 98, 122, 194, 245, 305, 343, 427, 485, 490, 610, 679, 686, 854, 970, 1358, 1715, 2135, 2989, 3395, 3430, 4270, 4753, 5917, 5978, 6790, 9506, 11834, 14945, 20923, 23765, 29585, 29890, 33271, 41419, 41846, 47530, 59170, 66542, 82838, 104615, 166355, 207095, 209230, 289933, 332710, 414190, 579866, 1449665, 2029531, 2899330, 4059062, 10147655, 20295310]

約数ペア:

[(1, 20295310), (2, 10147655), (5, 4059062), (7, 2899330), (10, 2029531), (14, 1449665), (35, 579866), (49, 414190), (61, 332710), (70, 289933), (97, 209230), (98, 207095), (122, 166355), (194, 104615), (245, 82838), (305, 66542), (343, 59170), (427, 47530), (485, 41846), (490, 41419), (610, 33271), (679, 29890), (686, 29585), (854, 23765), (970, 20923), (1358, 14945), (1715, 11834), (2135, 9506), (2989, 6790), (3395, 5978), (3430, 5917), (4270, 4753)]