20888974938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{547}}^1\times {\mathrm{2897}}^1$

素因数の和:3488

約数の個数: 64

約数和(自身を含む): 45356250240

約数和(自身を除く): 24467275302

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 547, 1014, 1094, 1641, 2197, 2897, 3282, 4394, 5794, 6591, 7111, 8691, 13182, 14222, 17382, 21333, 37661, 42666, 75322, 92443, 112983, 184886, 225966, 277329, 489593, 554658, 979186, 1201759, 1468779, 1584659, 2403518, 2937558, 3169318, 3605277, 4753977, 6364709, 7210554, 9507954, 12729418, 19094127, 20600567, 38188254, 41201134, 61801701, 123603402, 267807371, 535614742, 803422113, 1606844226, 3481495823, 6962991646, 10444487469, 20888974938]

約数ペア:

[(1, 20888974938), (2, 10444487469), (3, 6962991646), (6, 3481495823), (13, 1606844226), (26, 803422113), (39, 535614742), (78, 267807371), (169, 123603402), (338, 61801701), (507, 41201134), (547, 38188254), (1014, 20600567), (1094, 19094127), (1641, 12729418), (2197, 9507954), (2897, 7210554), (3282, 6364709), (4394, 4753977), (5794, 3605277), (6591, 3169318), (7111, 2937558), (8691, 2403518), (13182, 1584659), (14222, 1468779), (17382, 1201759), (21333, 979186), (37661, 554658), (42666, 489593), (75322, 277329), (92443, 225966), (112983, 184886)]