20085985816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{24169}}^1$

素因数の和:24380

約数の個数: 64

約数和(自身を含む): 41539528800

約数和(自身を除く): 21453542984

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 131, 244, 262, 488, 524, 793, 1048, 1586, 1703, 3172, 3406, 6344, 6812, 7991, 13624, 15982, 24169, 31964, 48338, 63928, 96676, 103883, 193352, 207766, 314197, 415532, 628394, 831064, 1256788, 1474309, 2513576, 2948618, 3166139, 5897236, 6332278, 11794472, 12664556, 19166017, 25329112, 38332034, 41159807, 76664068, 82319614, 153328136, 164639228, 193134479, 329278456, 386268958, 772537916, 1545075832, 2510748227, 5021496454, 10042992908, 20085985816]

約数ペア:

[(1, 20085985816), (2, 10042992908), (4, 5021496454), (8, 2510748227), (13, 1545075832), (26, 772537916), (52, 386268958), (61, 329278456), (104, 193134479), (122, 164639228), (131, 153328136), (244, 82319614), (262, 76664068), (488, 41159807), (524, 38332034), (793, 25329112), (1048, 19166017), (1586, 12664556), (1703, 11794472), (3172, 6332278), (3406, 5897236), (6344, 3166139), (6812, 2948618), (7991, 2513576), (13624, 1474309), (15982, 1256788), (24169, 831064), (31964, 628394), (48338, 415532), (63928, 314197), (96676, 207766), (103883, 193352)]