20459484

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10723}}^1$

素因数の和:10786

約数の個数: 36

約数和(自身を含む): 52697736

約数和(自身を除く): 32238252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10723, 21446, 32169, 42892, 64338, 96507, 128676, 193014, 386028, 568319, 1136638, 1704957, 2273276, 3409914, 5114871, 6819828, 10229742, 20459484]

約数ペア:

[(1, 20459484), (2, 10229742), (3, 6819828), (4, 5114871), (6, 3409914), (9, 2273276), (12, 1704957), (18, 1136638), (36, 568319), (53, 386028), (106, 193014), (159, 128676), (212, 96507), (318, 64338), (477, 42892), (636, 32169), (954, 21446), (1908, 10723)]