20173424540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{30817}}^1$

素因数の和:31358

約数の個数: 48

約数和(自身を含む): 43055457984

約数和(自身を除く): 22882033444

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 461, 710, 922, 1420, 1844, 2305, 4610, 9220, 30817, 32731, 61634, 65462, 123268, 130924, 154085, 163655, 308170, 327310, 616340, 654620, 2188007, 4376014, 8752028, 10940035, 14206637, 21880070, 28413274, 43760140, 56826548, 71033185, 142066370, 284132740, 1008671227, 2017342454, 4034684908, 5043356135, 10086712270, 20173424540]

約数ペア:

[(1, 20173424540), (2, 10086712270), (4, 5043356135), (5, 4034684908), (10, 2017342454), (20, 1008671227), (71, 284132740), (142, 142066370), (284, 71033185), (355, 56826548), (461, 43760140), (710, 28413274), (922, 21880070), (1420, 14206637), (1844, 10940035), (2305, 8752028), (4610, 4376014), (9220, 2188007), (30817, 654620), (32731, 616340), (61634, 327310), (65462, 308170), (123268, 163655), (130924, 154085)]