20148682880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1851901}}^1$

素因数の和:1851937

約数の個数: 64

約数和(自身を含む): 51001381080

約数和(自身を除く): 30852698200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 1851901, 3703802, 7407604, 9259505, 14815208, 18519010, 29630416, 31482317, 37038020, 59260832, 62964634, 74076040, 118521664, 125929268, 148152080, 157411585, 237043328, 251858536, 296304160, 314823170, 503717072, 592608320, 629646340, 1007434144, 1185216640, 1259292680, 2014868288, 2518585360, 4029736576, 5037170720, 10074341440, 20148682880]

約数ペア:

[(1, 20148682880), (2, 10074341440), (4, 5037170720), (5, 4029736576), (8, 2518585360), (10, 2014868288), (16, 1259292680), (17, 1185216640), (20, 1007434144), (32, 629646340), (34, 592608320), (40, 503717072), (64, 314823170), (68, 296304160), (80, 251858536), (85, 237043328), (128, 157411585), (136, 148152080), (160, 125929268), (170, 118521664), (272, 74076040), (320, 62964634), (340, 59260832), (544, 37038020), (640, 31482317), (680, 29630416), (1088, 18519010), (1360, 14815208), (2176, 9259505), (2720, 7407604), (5440, 3703802), (10880, 1851901)]