20146445392

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1172

約数の個数: 80

約数和(自身を含む): 40294385280

約数和(自身を除く): 20147939888

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 379, 568, 584, 641, 758, 1136, 1168, 1282, 1516, 2564, 3032, 5128, 5183, 6064, 10256, 10366, 20732, 26909, 27667, 41464, 45511, 46793, 53818, 55334, 82928, 91022, 93586, 107636, 110668, 182044, 187172, 215272, 221336, 242939, 364088, 374344, 430544, 442672, 485878, 728176, 748688, 971756, 1943512, 1964357, 3322303, 3887024, 3928714, 6644606, 7857428, 13289212, 15714856, 17248669, 17734547, 26578424, 31429712, 34497338, 35469094, 53156848, 68994676, 70938188, 137989352, 141876376, 275978704, 283752752, 1259152837, 2518305674, 5036611348, 10073222696, 20146445392]

約数ペア:

[(1, 20146445392), (2, 10073222696), (4, 5036611348), (8, 2518305674), (16, 1259152837), (71, 283752752), (73, 275978704), (142, 141876376), (146, 137989352), (284, 70938188), (292, 68994676), (379, 53156848), (568, 35469094), (584, 34497338), (641, 31429712), (758, 26578424), (1136, 17734547), (1168, 17248669), (1282, 15714856), (1516, 13289212), (2564, 7857428), (3032, 6644606), (5128, 3928714), (5183, 3887024), (6064, 3322303), (10256, 1964357), (10366, 1943512), (20732, 971756), (26909, 748688), (27667, 728176), (41464, 485878), (45511, 442672), (46793, 430544), (53818, 374344), (55334, 364088), (82928, 242939), (91022, 221336), (93586, 215272), (107636, 187172), (110668, 182044)]