20706630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 57259008

約数和(自身を除く): 36552378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 151, 210, 302, 453, 653, 755, 906, 1057, 1306, 1510, 1959, 2114, 2265, 3171, 3265, 3918, 4530, 4571, 5285, 6342, 6530, 9142, 9795, 10570, 13713, 15855, 19590, 22855, 27426, 31710, 45710, 68565, 98603, 137130, 197206, 295809, 493015, 591618, 690221, 986030, 1380442, 1479045, 2070663, 2958090, 3451105, 4141326, 6902210, 10353315, 20706630]

約数ペア:

[(1, 20706630), (2, 10353315), (3, 6902210), (5, 4141326), (6, 3451105), (7, 2958090), (10, 2070663), (14, 1479045), (15, 1380442), (21, 986030), (30, 690221), (35, 591618), (42, 493015), (70, 295809), (105, 197206), (151, 137130), (210, 98603), (302, 68565), (453, 45710), (653, 31710), (755, 27426), (906, 22855), (1057, 19590), (1306, 15855), (1510, 13713), (1959, 10570), (2114, 9795), (2265, 9142), (3171, 6530), (3265, 6342), (3918, 5285), (4530, 4571)]