20792316580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2802199}}^1$

素因数の和:2802268

約数の個数: 48

約数和(自身を含む): 50843116800

約数和(自身を除く): 30050800220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 2802199, 5604398, 11208796, 14010995, 19615393, 28021990, 39230786, 56043980, 78461572, 98076965, 148516547, 196153930, 297033094, 392307860, 594066188, 742582735, 1039615829, 1485165470, 2079231658, 2970330940, 4158463316, 5198079145, 10396158290, 20792316580]

約数ペア:

[(1, 20792316580), (2, 10396158290), (4, 5198079145), (5, 4158463316), (7, 2970330940), (10, 2079231658), (14, 1485165470), (20, 1039615829), (28, 742582735), (35, 594066188), (53, 392307860), (70, 297033094), (106, 196153930), (140, 148516547), (212, 98076965), (265, 78461572), (371, 56043980), (530, 39230786), (742, 28021990), (1060, 19615393), (1484, 14010995), (1855, 11208796), (3710, 5604398), (7420, 2802199)]