20485376112

素因数分解:

$2^4\times 3^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1\times {\mathrm{1489}}^1$

素因数の和:2590

約数の個数: 80

約数和(自身を含む): 53157669120

約数和(自身を除く): 32672293008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443, 647, 886, 1294, 1329, 1489, 1772, 1941, 2588, 2658, 2978, 3544, 3882, 4467, 5176, 5316, 5956, 7088, 7764, 8934, 10352, 10632, 11912, 15528, 17868, 21264, 23824, 31056, 35736, 71472, 286621, 573242, 659627, 859863, 963383, 1146484, 1319254, 1719726, 1926766, 1978881, 2292968, 2638508, 2890149, 3439452, 3853532, 3957762, 4585936, 5277016, 5780298, 6878904, 7707064, 7915524, 10554032, 11560596, 13757808, 15414128, 15831048, 23121192, 31662096, 46242384, 426778669, 853557338, 1280336007, 1707114676, 2560672014, 3414229352, 5121344028, 6828458704, 10242688056, 20485376112]

約数ペア:

[(1, 20485376112), (2, 10242688056), (3, 6828458704), (4, 5121344028), (6, 3414229352), (8, 2560672014), (12, 1707114676), (16, 1280336007), (24, 853557338), (48, 426778669), (443, 46242384), (647, 31662096), (886, 23121192), (1294, 15831048), (1329, 15414128), (1489, 13757808), (1772, 11560596), (1941, 10554032), (2588, 7915524), (2658, 7707064), (2978, 6878904), (3544, 5780298), (3882, 5277016), (4467, 4585936), (5176, 3957762), (5316, 3853532), (5956, 3439452), (7088, 2890149), (7764, 2638508), (8934, 2292968), (10352, 1978881), (10632, 1926766), (11912, 1719726), (15528, 1319254), (17868, 1146484), (21264, 963383), (23824, 859863), (31056, 659627), (35736, 573242), (71472, 286621)]