20620944

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1712

約数の個数: 60

約数和(自身を含む): 58394700

約数和(自身を除く): 37773756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1609, 2136, 3204, 3218, 4272, 4827, 6408, 6436, 9654, 12816, 12872, 14481, 19308, 25744, 28962, 38616, 57924, 77232, 115848, 143201, 231696, 286402, 429603, 572804, 859206, 1145608, 1288809, 1718412, 2291216, 2577618, 3436824, 5155236, 6873648, 10310472, 20620944]

約数ペア:

[(1, 20620944), (2, 10310472), (3, 6873648), (4, 5155236), (6, 3436824), (8, 2577618), (9, 2291216), (12, 1718412), (16, 1288809), (18, 1145608), (24, 859206), (36, 572804), (48, 429603), (72, 286402), (89, 231696), (144, 143201), (178, 115848), (267, 77232), (356, 57924), (534, 38616), (712, 28962), (801, 25744), (1068, 19308), (1424, 14481), (1602, 12872), (1609, 12816), (2136, 9654), (3204, 6436), (3218, 6408), (4272, 4827)]