20734367060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{2381}}^1$

素因数の和:4145

約数の個数: 96

約数和(自身を含む): 49615421184

約数和(自身を除く): 28881054124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1721, 2381, 2530, 3442, 4762, 5060, 6884, 8605, 9524, 11905, 17210, 18931, 23810, 26191, 34420, 37862, 39583, 47620, 52382, 54763, 75724, 79166, 94655, 104764, 109526, 130955, 158332, 189310, 197915, 219052, 261910, 273815, 378620, 395830, 435413, 523820, 547630, 602393, 791660, 870826, 1095260, 1204786, 1741652, 2177065, 2409572, 3011965, 4097701, 4354130, 6023930, 8195402, 8708260, 12047860, 16390804, 20488505, 40977010, 45074711, 81954020, 90149422, 94247123, 180298844, 188494246, 225373555, 376988492, 450747110, 471235615, 901494220, 942471230, 1036718353, 1884942460, 2073436706, 4146873412, 5183591765, 10367183530, 20734367060]

約数ペア:

[(1, 20734367060), (2, 10367183530), (4, 5183591765), (5, 4146873412), (10, 2073436706), (11, 1884942460), (20, 1036718353), (22, 942471230), (23, 901494220), (44, 471235615), (46, 450747110), (55, 376988492), (92, 225373555), (110, 188494246), (115, 180298844), (220, 94247123), (230, 90149422), (253, 81954020), (460, 45074711), (506, 40977010), (1012, 20488505), (1265, 16390804), (1721, 12047860), (2381, 8708260), (2530, 8195402), (3442, 6023930), (4762, 4354130), (5060, 4097701), (6884, 3011965), (8605, 2409572), (9524, 2177065), (11905, 1741652), (17210, 1204786), (18931, 1095260), (23810, 870826), (26191, 791660), (34420, 602393), (37862, 547630), (39583, 523820), (47620, 435413), (52382, 395830), (54763, 378620), (75724, 273815), (79166, 261910), (94655, 219052), (104764, 197915), (109526, 189310), (130955, 158332)]