20067780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5483}}^1$

素因数の和:5556

約数の個数: 48

約数和(自身を含む): 57121344

約数和(自身を除く): 37053564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5483, 10966, 16449, 21932, 27415, 32898, 54830, 65796, 82245, 109660, 164490, 328980, 334463, 668926, 1003389, 1337852, 1672315, 2006778, 3344630, 4013556, 5016945, 6689260, 10033890, 20067780]

約数ペア:

[(1, 20067780), (2, 10033890), (3, 6689260), (4, 5016945), (5, 4013556), (6, 3344630), (10, 2006778), (12, 1672315), (15, 1337852), (20, 1003389), (30, 668926), (60, 334463), (61, 328980), (122, 164490), (183, 109660), (244, 82245), (305, 65796), (366, 54830), (610, 32898), (732, 27415), (915, 21932), (1220, 16449), (1830, 10966), (3660, 5483)]