20540844

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2239

約数の個数: 48

約数和(自身を含む): 53877600

約数和(自身を除く): 33336756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2137, 2403, 3204, 4274, 4806, 6411, 8548, 9612, 12822, 19233, 25644, 38466, 57699, 76932, 115398, 190193, 230796, 380386, 570579, 760772, 1141158, 1711737, 2282316, 3423474, 5135211, 6846948, 10270422, 20540844]

約数ペア:

[(1, 20540844), (2, 10270422), (3, 6846948), (4, 5135211), (6, 3423474), (9, 2282316), (12, 1711737), (18, 1141158), (27, 760772), (36, 570579), (54, 380386), (89, 230796), (108, 190193), (178, 115398), (267, 76932), (356, 57699), (534, 38466), (801, 25644), (1068, 19233), (1602, 12822), (2137, 9612), (2403, 8548), (3204, 6411), (4274, 4806)]