20125854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 32405346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1439, 1554, 1998, 2331, 2878, 4317, 4662, 6993, 8634, 10073, 12951, 13986, 20146, 25902, 30219, 38853, 53243, 60438, 77706, 90657, 106486, 159729, 181314, 271971, 319458, 372701, 479187, 543942, 745402, 958374, 1118103, 1437561, 2236206, 2875122, 3354309, 6708618, 10062927, 20125854]

約数ペア:

[(1, 20125854), (2, 10062927), (3, 6708618), (6, 3354309), (7, 2875122), (9, 2236206), (14, 1437561), (18, 1118103), (21, 958374), (27, 745402), (37, 543942), (42, 479187), (54, 372701), (63, 319458), (74, 271971), (111, 181314), (126, 159729), (189, 106486), (222, 90657), (259, 77706), (333, 60438), (378, 53243), (518, 38853), (666, 30219), (777, 25902), (999, 20146), (1439, 13986), (1554, 12951), (1998, 10073), (2331, 8634), (2878, 6993), (4317, 4662)]