2016900920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{85607}}^1$

素因数の和:85668

約数の個数: 64

約数和(自身を含む): 4931020800

約数和(自身を除く): 2914119880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 85607, 171214, 342428, 428035, 684856, 856070, 1626533, 1712140, 2653817, 3253066, 3424280, 5307634, 6506132, 8132665, 10615268, 13012264, 13269085, 16265330, 21230536, 26538170, 32530660, 50422523, 53076340, 65061320, 100845046, 106152680, 201690092, 252112615, 403380184, 504225230, 1008450460, 2016900920]

約数ペア:

[(1, 2016900920), (2, 1008450460), (4, 504225230), (5, 403380184), (8, 252112615), (10, 201690092), (19, 106152680), (20, 100845046), (31, 65061320), (38, 53076340), (40, 50422523), (62, 32530660), (76, 26538170), (95, 21230536), (124, 16265330), (152, 13269085), (155, 13012264), (190, 10615268), (248, 8132665), (310, 6506132), (380, 5307634), (589, 3424280), (620, 3253066), (760, 2653817), (1178, 1712140), (1240, 1626533), (2356, 856070), (2945, 684856), (4712, 428035), (5890, 342428), (11780, 171214), (23560, 85607)]