19876020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11423}}^1$

素因数の和:11464

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37700940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11423, 22846, 34269, 45692, 57115, 68538, 114230, 137076, 171345, 228460, 331267, 342690, 662534, 685380, 993801, 1325068, 1656335, 1987602, 3312670, 3975204, 4969005, 6625340, 9938010, 19876020]

約数ペア:

[(1, 19876020), (2, 9938010), (3, 6625340), (4, 4969005), (5, 3975204), (6, 3312670), (10, 1987602), (12, 1656335), (15, 1325068), (20, 993801), (29, 685380), (30, 662534), (58, 342690), (60, 331267), (87, 228460), (116, 171345), (145, 137076), (174, 114230), (290, 68538), (348, 57115), (435, 45692), (580, 34269), (870, 22846), (1740, 11423)]