20155031104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{306643}}^1$

素因数の和:306747

約数の個数: 56

約数和(自身を含む): 43617042560

約数和(自身を除く): 23462011456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 316, 416, 632, 832, 1027, 1264, 2054, 2528, 4108, 5056, 8216, 16432, 32864, 65728, 306643, 613286, 1226572, 2453144, 3986359, 4906288, 7972718, 9812576, 15945436, 19625152, 24224797, 31890872, 48449594, 63781744, 96899188, 127563488, 193798376, 255126976, 314922361, 387596752, 629844722, 775193504, 1259689444, 1550387008, 2519378888, 5038757776, 10077515552, 20155031104]

約数ペア:

[(1, 20155031104), (2, 10077515552), (4, 5038757776), (8, 2519378888), (13, 1550387008), (16, 1259689444), (26, 775193504), (32, 629844722), (52, 387596752), (64, 314922361), (79, 255126976), (104, 193798376), (158, 127563488), (208, 96899188), (316, 63781744), (416, 48449594), (632, 31890872), (832, 24224797), (1027, 19625152), (1264, 15945436), (2054, 9812576), (2528, 7972718), (4108, 4906288), (5056, 3986359), (8216, 2453144), (16432, 1226572), (32864, 613286), (65728, 306643)]