20177860930

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1\times {\mathrm{569}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 37444239360

約数和(自身を除く): 17266378430

約数列:

[1, 2, 5, 10, 47, 94, 197, 235, 383, 394, 470, 569, 766, 985, 1138, 1915, 1970, 2845, 3830, 5690, 9259, 18001, 18518, 26743, 36002, 46295, 53486, 75451, 90005, 92590, 112093, 133715, 150902, 180010, 217927, 224186, 267430, 377255, 435854, 560465, 754510, 1089635, 1120930, 2179270, 3546197, 5268371, 7092394, 10242569, 10536742, 17730985, 20485138, 26341855, 35461970, 42931619, 51212845, 52683710, 85863238, 102425690, 214658095, 429316190, 2017786093, 4035572186, 10088930465, 20177860930]

約数ペア:

[(1, 20177860930), (2, 10088930465), (5, 4035572186), (10, 2017786093), (47, 429316190), (94, 214658095), (197, 102425690), (235, 85863238), (383, 52683710), (394, 51212845), (470, 42931619), (569, 35461970), (766, 26341855), (985, 20485138), (1138, 17730985), (1915, 10536742), (1970, 10242569), (2845, 7092394), (3830, 5268371), (5690, 3546197), (9259, 2179270), (18001, 1120930), (18518, 1089635), (26743, 754510), (36002, 560465), (46295, 435854), (53486, 377255), (75451, 267430), (90005, 224186), (92590, 217927), (112093, 180010), (133715, 150902)]