20137311940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{102251}}^1$

素因数の和:102532

約数の個数: 48

約数和(自身を含む): 43461190080

約数和(自身を除く): 23323878140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 430, 458, 860, 916, 1145, 2290, 4580, 9847, 19694, 39388, 49235, 98470, 102251, 196940, 204502, 409004, 511255, 1022510, 2045020, 4396793, 8793586, 17587172, 21983965, 23415479, 43967930, 46830958, 87935860, 93661916, 117077395, 234154790, 468309580, 1006865597, 2013731194, 4027462388, 5034327985, 10068655970, 20137311940]

約数ペア:

[(1, 20137311940), (2, 10068655970), (4, 5034327985), (5, 4027462388), (10, 2013731194), (20, 1006865597), (43, 468309580), (86, 234154790), (172, 117077395), (215, 93661916), (229, 87935860), (430, 46830958), (458, 43967930), (860, 23415479), (916, 21983965), (1145, 17587172), (2290, 8793586), (4580, 4396793), (9847, 2045020), (19694, 1022510), (39388, 511255), (49235, 409004), (98470, 204502), (102251, 196940)]