20199378970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1\times {\mathrm{809}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 37847347200

約数和(自身を除く): 17647968230

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 337, 478, 674, 809, 1195, 1618, 1685, 2390, 3370, 4045, 7409, 8090, 10447, 14818, 20894, 25079, 37045, 50158, 52235, 74090, 80543, 104470, 125395, 161086, 193351, 250790, 272633, 386702, 402715, 545266, 805430, 966755, 1363165, 1933510, 2496833, 2726330, 4993666, 5993881, 8451623, 11987762, 12484165, 16903246, 24968330, 29969405, 42258115, 59938810, 65159287, 84516230, 130318574, 325796435, 651592870, 2019937897, 4039875794, 10099689485, 20199378970]

約数ペア:

[(1, 20199378970), (2, 10099689485), (5, 4039875794), (10, 2019937897), (31, 651592870), (62, 325796435), (155, 130318574), (239, 84516230), (310, 65159287), (337, 59938810), (478, 42258115), (674, 29969405), (809, 24968330), (1195, 16903246), (1618, 12484165), (1685, 11987762), (2390, 8451623), (3370, 5993881), (4045, 4993666), (7409, 2726330), (8090, 2496833), (10447, 1933510), (14818, 1363165), (20894, 966755), (25079, 805430), (37045, 545266), (50158, 402715), (52235, 386702), (74090, 272633), (80543, 250790), (104470, 193351), (125395, 161086)]