20214935325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{160723}}^1$

素因数の和:160795

約数の個数: 72

約数和(自身を含む): 39899411552

約数和(自身を除く): 19684476227

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 325, 387, 559, 585, 645, 975, 1075, 1677, 1935, 2795, 2925, 3225, 5031, 8385, 9675, 13975, 25155, 41925, 125775, 160723, 482169, 803615, 1446507, 2089399, 2410845, 4018075, 6268197, 6911089, 7232535, 10446995, 12054225, 18804591, 20733267, 31340985, 34555445, 36162675, 52234975, 62199801, 89844157, 94022955, 103666335, 156704925, 172777225, 269532471, 310999005, 449220785, 470114775, 518331675, 808597413, 1347662355, 1554995025, 2246103925, 4042987065, 6738311775, 20214935325]

約数ペア:

[(1, 20214935325), (3, 6738311775), (5, 4042987065), (9, 2246103925), (13, 1554995025), (15, 1347662355), (25, 808597413), (39, 518331675), (43, 470114775), (45, 449220785), (65, 310999005), (75, 269532471), (117, 172777225), (129, 156704925), (195, 103666335), (215, 94022955), (225, 89844157), (325, 62199801), (387, 52234975), (559, 36162675), (585, 34555445), (645, 31340985), (975, 20733267), (1075, 18804591), (1677, 12054225), (1935, 10446995), (2795, 7232535), (2925, 6911089), (3225, 6268197), (5031, 4018075), (8385, 2410845), (9675, 2089399), (13975, 1446507), (25155, 803615), (41925, 482169), (125775, 160723)]