20498256

素因数分解:

$2^4\times 3^2\times {\mathrm{283}}^1\times {\mathrm{503}}^1$

素因数の和:800

約数の個数: 60

約数和(自身を含む): 57683808

約数和(自身を除く): 37185552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 283, 503, 566, 849, 1006, 1132, 1509, 1698, 2012, 2264, 2547, 3018, 3396, 4024, 4527, 4528, 5094, 6036, 6792, 8048, 9054, 10188, 12072, 13584, 18108, 20376, 24144, 36216, 40752, 72432, 142349, 284698, 427047, 569396, 854094, 1138792, 1281141, 1708188, 2277584, 2562282, 3416376, 5124564, 6832752, 10249128, 20498256]

約数ペア:

[(1, 20498256), (2, 10249128), (3, 6832752), (4, 5124564), (6, 3416376), (8, 2562282), (9, 2277584), (12, 1708188), (16, 1281141), (18, 1138792), (24, 854094), (36, 569396), (48, 427047), (72, 284698), (144, 142349), (283, 72432), (503, 40752), (566, 36216), (849, 24144), (1006, 20376), (1132, 18108), (1509, 13584), (1698, 12072), (2012, 10188), (2264, 9054), (2547, 8048), (3018, 6792), (3396, 6036), (4024, 5094), (4527, 4528)]