20478315852

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{194609}}^1$

素因数の和:194735

約数の個数: 72

約数和(自身を含む): 53836910400

約数和(自身を除く): 33358594548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 158, 222, 237, 316, 333, 444, 474, 666, 711, 948, 1332, 1422, 2844, 2923, 5846, 8769, 11692, 17538, 26307, 35076, 52614, 105228, 194609, 389218, 583827, 778436, 1167654, 1751481, 2335308, 3502962, 7005924, 7200533, 14401066, 15374111, 21601599, 28802132, 30748222, 43203198, 46122333, 61496444, 64804797, 86406396, 92244666, 129609594, 138366999, 184489332, 259219188, 276733998, 553467996, 568842107, 1137684214, 1706526321, 2275368428, 3413052642, 5119578963, 6826105284, 10239157926, 20478315852]

約数ペア:

[(1, 20478315852), (2, 10239157926), (3, 6826105284), (4, 5119578963), (6, 3413052642), (9, 2275368428), (12, 1706526321), (18, 1137684214), (36, 568842107), (37, 553467996), (74, 276733998), (79, 259219188), (111, 184489332), (148, 138366999), (158, 129609594), (222, 92244666), (237, 86406396), (316, 64804797), (333, 61496444), (444, 46122333), (474, 43203198), (666, 30748222), (711, 28802132), (948, 21601599), (1332, 15374111), (1422, 14401066), (2844, 7200533), (2923, 7005924), (5846, 3502962), (8769, 2335308), (11692, 1751481), (17538, 1167654), (26307, 778436), (35076, 583827), (52614, 389218), (105228, 194609)]