20158749976

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 38761416000

約数和(自身を除く): 18602666024

約数列:

[1, 2, 4, 8, 71, 142, 149, 284, 298, 313, 568, 596, 626, 761, 1192, 1252, 1522, 2504, 3044, 6088, 10579, 21158, 22223, 42316, 44446, 46637, 54031, 84632, 88892, 93274, 108062, 113389, 177784, 186548, 216124, 226778, 238193, 373096, 432248, 453556, 476386, 907112, 952772, 1905544, 3311227, 6622454, 8050619, 13244908, 16101238, 16911703, 26489816, 32202476, 33823406, 35490757, 64404952, 67646812, 70981514, 135293624, 141963028, 283926056, 2519843747, 5039687494, 10079374988, 20158749976]

約数ペア:

[(1, 20158749976), (2, 10079374988), (4, 5039687494), (8, 2519843747), (71, 283926056), (142, 141963028), (149, 135293624), (284, 70981514), (298, 67646812), (313, 64404952), (568, 35490757), (596, 33823406), (626, 32202476), (761, 26489816), (1192, 16911703), (1252, 16101238), (1522, 13244908), (2504, 8050619), (3044, 6622454), (6088, 3311227), (10579, 1905544), (21158, 952772), (22223, 907112), (42316, 476386), (44446, 453556), (46637, 432248), (54031, 373096), (84632, 238193), (88892, 226778), (93274, 216124), (108062, 186548), (113389, 177784)]