20503380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4813}}^1$

素因数の和:4896

約数の個数: 48

約数和(自身を含む): 58230144

約数和(自身を除く): 37726764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4813, 9626, 14439, 19252, 24065, 28878, 48130, 57756, 72195, 96260, 144390, 288780, 341723, 683446, 1025169, 1366892, 1708615, 2050338, 3417230, 4100676, 5125845, 6834460, 10251690, 20503380]

約数ペア:

[(1, 20503380), (2, 10251690), (3, 6834460), (4, 5125845), (5, 4100676), (6, 3417230), (10, 2050338), (12, 1708615), (15, 1366892), (20, 1025169), (30, 683446), (60, 341723), (71, 288780), (142, 144390), (213, 96260), (284, 72195), (355, 57756), (426, 48130), (710, 28878), (852, 24065), (1065, 19252), (1420, 14439), (2130, 9626), (4260, 4813)]