20199031874

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1\times {\mathrm{887}}^1$

素因数の和:1443

約数の個数: 64

約数和(自身を含む): 35965278720

約数和(自身を除く): 15766246846

約数列:

[1, 2, 7, 14, 41, 82, 97, 194, 287, 409, 574, 679, 818, 887, 1358, 1774, 2863, 3977, 5726, 6209, 7954, 12418, 16769, 27839, 33538, 36367, 39673, 55678, 72734, 79346, 86039, 117383, 172078, 234766, 254569, 277711, 362783, 509138, 555422, 602273, 725566, 1204546, 1626593, 2539481, 3253186, 3527599, 5078962, 7055198, 11386151, 14874103, 22772302, 24693193, 29748206, 35189951, 49386386, 70379902, 104118721, 208237442, 246329657, 492659314, 1442787991, 2885575982, 10099515937, 20199031874]

約数ペア:

[(1, 20199031874), (2, 10099515937), (7, 2885575982), (14, 1442787991), (41, 492659314), (82, 246329657), (97, 208237442), (194, 104118721), (287, 70379902), (409, 49386386), (574, 35189951), (679, 29748206), (818, 24693193), (887, 22772302), (1358, 14874103), (1774, 11386151), (2863, 7055198), (3977, 5078962), (5726, 3527599), (6209, 3253186), (7954, 2539481), (12418, 1626593), (16769, 1204546), (27839, 725566), (33538, 602273), (36367, 555422), (39673, 509138), (55678, 362783), (72734, 277711), (79346, 254569), (86039, 234766), (117383, 172078)]