20496490550

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{379}}^1\times {\mathrm{10709}}^1$

素因数の和:11201

約数の個数: 48

約数和(自身を含む): 38606122800

約数和(自身を除く): 18109632250

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 379, 505, 758, 1010, 1895, 2525, 3790, 5050, 9475, 10709, 18950, 21418, 38279, 53545, 76558, 107090, 191395, 267725, 382790, 535450, 956975, 1081609, 1913950, 2163218, 4058711, 5408045, 8117422, 10816090, 20293555, 27040225, 40587110, 54080450, 101467775, 202935550, 409929811, 819859622, 2049649055, 4099298110, 10248245275, 20496490550]

約数ペア:

[(1, 20496490550), (2, 10248245275), (5, 4099298110), (10, 2049649055), (25, 819859622), (50, 409929811), (101, 202935550), (202, 101467775), (379, 54080450), (505, 40587110), (758, 27040225), (1010, 20293555), (1895, 10816090), (2525, 8117422), (3790, 5408045), (5050, 4058711), (9475, 2163218), (10709, 1913950), (18950, 1081609), (21418, 956975), (38279, 535450), (53545, 382790), (76558, 267725), (107090, 191395)]