20446926920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73024739}}^1$

素因数の和:73024757

約数の個数: 32

約数和(自身を含む): 52577812800

約数和(自身を除く): 32130885880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73024739, 146049478, 292098956, 365123695, 511173173, 584197912, 730247390, 1022346346, 1460494780, 2044692692, 2555865865, 2920989560, 4089385384, 5111731730, 10223463460, 20446926920]

約数ペア:

[(1, 20446926920), (2, 10223463460), (4, 5111731730), (5, 4089385384), (7, 2920989560), (8, 2555865865), (10, 2044692692), (14, 1460494780), (20, 1022346346), (28, 730247390), (35, 584197912), (40, 511173173), (56, 365123695), (70, 292098956), (140, 146049478), (280, 73024739)]