20218880020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2313373}}^1$

素因数の和:2313424

約数の個数: 48

約数和(自身を含む): 46637619840

約数和(自身を除く): 26418739820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 2313373, 4626746, 9253492, 11566865, 23133730, 43954087, 46267460, 53207579, 87908174, 106415158, 175816348, 212830316, 219770435, 266037895, 439540870, 532075790, 879081740, 1010944001, 1064151580, 2021888002, 4043776004, 5054720005, 10109440010, 20218880020]

約数ペア:

[(1, 20218880020), (2, 10109440010), (4, 5054720005), (5, 4043776004), (10, 2021888002), (19, 1064151580), (20, 1010944001), (23, 879081740), (38, 532075790), (46, 439540870), (76, 266037895), (92, 219770435), (95, 212830316), (115, 175816348), (190, 106415158), (230, 87908174), (380, 53207579), (437, 46267460), (460, 43954087), (874, 23133730), (1748, 11566865), (2185, 9253492), (4370, 4626746), (8740, 2313373)]