15494020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 18471548

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 311, 470, 530, 622, 940, 1060, 1244, 1555, 2491, 3110, 4982, 6220, 9964, 12455, 14617, 16483, 24910, 29234, 32966, 49820, 58468, 65932, 73085, 82415, 146170, 164830, 292340, 329660, 774701, 1549402, 3098804, 3873505, 7747010, 15494020]

約数ペア:

[(1, 15494020), (2, 7747010), (4, 3873505), (5, 3098804), (10, 1549402), (20, 774701), (47, 329660), (53, 292340), (94, 164830), (106, 146170), (188, 82415), (212, 73085), (235, 65932), (265, 58468), (311, 49820), (470, 32966), (530, 29234), (622, 24910), (940, 16483), (1060, 14617), (1244, 12455), (1555, 9964), (2491, 6220), (3110, 4982)]