20583990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10891}}^1$

素因数の和:10914

約数の個数: 64

約数和(自身を含む): 62737920

約数和(自身を除く): 42153930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10891, 21782, 32673, 54455, 65346, 76237, 98019, 108910, 152474, 163365, 196038, 228711, 294057, 326730, 381185, 457422, 490095, 588114, 686133, 762370, 980190, 1143555, 1372266, 1470285, 2058399, 2287110, 2940570, 3430665, 4116798, 6861330, 10291995, 20583990]

約数ペア:

[(1, 20583990), (2, 10291995), (3, 6861330), (5, 4116798), (6, 3430665), (7, 2940570), (9, 2287110), (10, 2058399), (14, 1470285), (15, 1372266), (18, 1143555), (21, 980190), (27, 762370), (30, 686133), (35, 588114), (42, 490095), (45, 457422), (54, 381185), (63, 326730), (70, 294057), (90, 228711), (105, 196038), (126, 163365), (135, 152474), (189, 108910), (210, 98019), (270, 76237), (315, 65346), (378, 54455), (630, 32673), (945, 21782), (1890, 10891)]