20104986340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{49787}}^1$

素因数の和:50188

約数の個数: 48

約数和(自身を含む): 43043120064

約数和(自身を除く): 22938133724

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 331, 610, 662, 1220, 1324, 1655, 3310, 6620, 20191, 40382, 49787, 80764, 99574, 100955, 199148, 201910, 248935, 403820, 497870, 995740, 3037007, 6074014, 12148028, 15185035, 16479497, 30370070, 32958994, 60740140, 65917988, 82397485, 164794970, 329589940, 1005249317, 2010498634, 4020997268, 5026246585, 10052493170, 20104986340]

約数ペア:

[(1, 20104986340), (2, 10052493170), (4, 5026246585), (5, 4020997268), (10, 2010498634), (20, 1005249317), (61, 329589940), (122, 164794970), (244, 82397485), (305, 65917988), (331, 60740140), (610, 32958994), (662, 30370070), (1220, 16479497), (1324, 15185035), (1655, 12148028), (3310, 6074014), (6620, 3037007), (20191, 995740), (40382, 497870), (49787, 403820), (80764, 248935), (99574, 201910), (100955, 199148)]