20530830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 31885170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 181, 190, 199, 285, 362, 398, 543, 570, 597, 905, 995, 1086, 1194, 1810, 1990, 2715, 2985, 3439, 3781, 5430, 5970, 6878, 7562, 10317, 11343, 17195, 18905, 20634, 22686, 34390, 36019, 37810, 51585, 56715, 72038, 103170, 108057, 113430, 180095, 216114, 360190, 540285, 684361, 1080570, 1368722, 2053083, 3421805, 4106166, 6843610, 10265415, 20530830]

約数ペア:

[(1, 20530830), (2, 10265415), (3, 6843610), (5, 4106166), (6, 3421805), (10, 2053083), (15, 1368722), (19, 1080570), (30, 684361), (38, 540285), (57, 360190), (95, 216114), (114, 180095), (181, 113430), (190, 108057), (199, 103170), (285, 72038), (362, 56715), (398, 51585), (543, 37810), (570, 36019), (597, 34390), (905, 22686), (995, 20634), (1086, 18905), (1194, 17195), (1810, 11343), (1990, 10317), (2715, 7562), (2985, 6878), (3439, 5970), (3781, 5430)]