20218411938

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 41226485760

約数和(自身を除く): 21008073822

約数列:

[1, 2, 3, 6, 127, 179, 227, 254, 358, 381, 454, 537, 653, 681, 762, 1074, 1306, 1362, 1959, 3918, 22733, 28829, 40633, 45466, 57658, 68199, 81266, 82931, 86487, 116887, 121899, 136398, 148231, 165862, 172974, 233774, 243798, 248793, 296462, 350661, 444693, 497586, 701322, 889386, 5160391, 10320782, 14844649, 15481173, 18825337, 26533349, 29689298, 30962346, 37650674, 44533947, 53066698, 56476011, 79600047, 89067894, 112952022, 159200094, 3369735323, 6739470646, 10109205969, 20218411938]

約数ペア:

[(1, 20218411938), (2, 10109205969), (3, 6739470646), (6, 3369735323), (127, 159200094), (179, 112952022), (227, 89067894), (254, 79600047), (358, 56476011), (381, 53066698), (454, 44533947), (537, 37650674), (653, 30962346), (681, 29689298), (762, 26533349), (1074, 18825337), (1306, 15481173), (1362, 14844649), (1959, 10320782), (3918, 5160391), (22733, 889386), (28829, 701322), (40633, 497586), (45466, 444693), (57658, 350661), (68199, 296462), (81266, 248793), (82931, 243798), (86487, 233774), (116887, 172974), (121899, 165862), (136398, 148231)]