20959968

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7043}}^1$

素因数の和:7087

約数の個数: 48

約数和(自身を含む): 56802816

約数和(自身を除く): 35842848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7043, 14086, 21129, 28172, 42258, 56344, 84516, 112688, 169032, 218333, 225376, 338064, 436666, 654999, 676128, 873332, 1309998, 1746664, 2619996, 3493328, 5239992, 6986656, 10479984, 20959968]

約数ペア:

[(1, 20959968), (2, 10479984), (3, 6986656), (4, 5239992), (6, 3493328), (8, 2619996), (12, 1746664), (16, 1309998), (24, 873332), (31, 676128), (32, 654999), (48, 436666), (62, 338064), (93, 225376), (96, 218333), (124, 169032), (186, 112688), (248, 84516), (372, 56344), (496, 42258), (744, 28172), (992, 21129), (1488, 14086), (2976, 7043)]