20130460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2713}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 49242816

約数和(自身を除く): 29112356

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, 2713, 3710, 5426, 7420, 10852, 13565, 18991, 27130, 37982, 54260, 75964, 94955, 143789, 189910, 287578, 379820, 575156, 718945, 1006523, 1437890, 2013046, 2875780, 4026092, 5032615, 10065230, 20130460]

約数ペア:

[(1, 20130460), (2, 10065230), (4, 5032615), (5, 4026092), (7, 2875780), (10, 2013046), (14, 1437890), (20, 1006523), (28, 718945), (35, 575156), (53, 379820), (70, 287578), (106, 189910), (140, 143789), (212, 94955), (265, 75964), (371, 54260), (530, 37982), (742, 27130), (1060, 18991), (1484, 13565), (1855, 10852), (2713, 7420), (3710, 5426)]