20147192620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{4211}}^1$

素因数の和:4435

約数の個数: 96

約数和(自身を含む): 44770864320

約数和(自身を除く): 24623671700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 113, 116, 145, 146, 226, 290, 292, 365, 452, 565, 580, 730, 1130, 1460, 2117, 2260, 3277, 4211, 4234, 6554, 8249, 8422, 8468, 10585, 13108, 16385, 16498, 16844, 21055, 21170, 32770, 32996, 41245, 42110, 42340, 65540, 82490, 84220, 122119, 164980, 239221, 244238, 307403, 475843, 478442, 488476, 610595, 614806, 951686, 956884, 1196105, 1221190, 1229612, 1537015, 1903372, 2379215, 2392210, 2442380, 3074030, 4758430, 4784420, 6148060, 8914687, 9516860, 13799447, 17829374, 27598894, 34736539, 35658748, 44573435, 55197788, 68997235, 69473078, 89146870, 137994470, 138946156, 173682695, 178293740, 275988940, 347365390, 694730780, 1007359631, 2014719262, 4029438524, 5036798155, 10073596310, 20147192620]

約数ペア:

[(1, 20147192620), (2, 10073596310), (4, 5036798155), (5, 4029438524), (10, 2014719262), (20, 1007359631), (29, 694730780), (58, 347365390), (73, 275988940), (113, 178293740), (116, 173682695), (145, 138946156), (146, 137994470), (226, 89146870), (290, 69473078), (292, 68997235), (365, 55197788), (452, 44573435), (565, 35658748), (580, 34736539), (730, 27598894), (1130, 17829374), (1460, 13799447), (2117, 9516860), (2260, 8914687), (3277, 6148060), (4211, 4784420), (4234, 4758430), (6554, 3074030), (8249, 2442380), (8422, 2392210), (8468, 2379215), (10585, 1903372), (13108, 1537015), (16385, 1229612), (16498, 1221190), (16844, 1196105), (21055, 956884), (21170, 951686), (32770, 614806), (32996, 610595), (41245, 488476), (42110, 478442), (42340, 475843), (65540, 307403), (82490, 244238), (84220, 239221), (122119, 164980)]