20565103890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{157841}}^1$

素因数の和:157995

約数の個数: 64

約数和(自身を含む): 51004432512

約数和(自身を除く): 30439328622

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 101, 129, 202, 215, 258, 303, 430, 505, 606, 645, 1010, 1290, 1515, 3030, 4343, 8686, 13029, 21715, 26058, 43430, 65145, 130290, 157841, 315682, 473523, 789205, 947046, 1578410, 2367615, 4735230, 6787163, 13574326, 15941941, 20361489, 31883882, 33935815, 40722978, 47825823, 67871630, 79709705, 95651646, 101807445, 159419410, 203614890, 239129115, 478258230, 685503463, 1371006926, 2056510389, 3427517315, 4113020778, 6855034630, 10282551945, 20565103890]

約数ペア:

[(1, 20565103890), (2, 10282551945), (3, 6855034630), (5, 4113020778), (6, 3427517315), (10, 2056510389), (15, 1371006926), (30, 685503463), (43, 478258230), (86, 239129115), (101, 203614890), (129, 159419410), (202, 101807445), (215, 95651646), (258, 79709705), (303, 67871630), (430, 47825823), (505, 40722978), (606, 33935815), (645, 31883882), (1010, 20361489), (1290, 15941941), (1515, 13574326), (3030, 6787163), (4343, 4735230), (8686, 2367615), (13029, 1578410), (21715, 947046), (26058, 789205), (43430, 473523), (65145, 315682), (130290, 157841)]