20963844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 58339008

約数和(自身を除く): 37375164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 167, 198, 317, 334, 396, 501, 634, 668, 951, 1002, 1268, 1503, 1837, 1902, 2004, 2853, 3006, 3487, 3674, 3804, 5511, 5706, 6012, 6974, 7348, 10461, 11022, 11412, 13948, 16533, 20922, 22044, 31383, 33066, 41844, 52939, 62766, 66132, 105878, 125532, 158817, 211756, 317634, 476451, 582329, 635268, 952902, 1164658, 1746987, 1905804, 2329316, 3493974, 5240961, 6987948, 10481922, 20963844]

約数ペア:

[(1, 20963844), (2, 10481922), (3, 6987948), (4, 5240961), (6, 3493974), (9, 2329316), (11, 1905804), (12, 1746987), (18, 1164658), (22, 952902), (33, 635268), (36, 582329), (44, 476451), (66, 317634), (99, 211756), (132, 158817), (167, 125532), (198, 105878), (317, 66132), (334, 62766), (396, 52939), (501, 41844), (634, 33066), (668, 31383), (951, 22044), (1002, 20922), (1268, 16533), (1503, 13948), (1837, 11412), (1902, 11022), (2004, 10461), (2853, 7348), (3006, 6974), (3487, 6012), (3674, 5706), (3804, 5511)]