20009667952

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{72503}}^1$

素因数の和:72925

約数の個数: 40

約数和(自身を含む): 39702030336

約数和(自身を除く): 19692362384

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 367, 376, 734, 752, 1468, 2936, 5872, 17249, 34498, 68996, 72503, 137992, 145006, 275984, 290012, 580024, 1160048, 3407641, 6815282, 13630564, 26608601, 27261128, 53217202, 54522256, 106434404, 212868808, 425737616, 1250604247, 2501208494, 5002416988, 10004833976, 20009667952]

約数ペア:

[(1, 20009667952), (2, 10004833976), (4, 5002416988), (8, 2501208494), (16, 1250604247), (47, 425737616), (94, 212868808), (188, 106434404), (367, 54522256), (376, 53217202), (734, 27261128), (752, 26608601), (1468, 13630564), (2936, 6815282), (5872, 3407641), (17249, 1160048), (34498, 580024), (68996, 290012), (72503, 275984), (137992, 145006)]