20937462

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 53243904

約数和(自身を除く): 32306442

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1237, 1302, 2418, 2474, 2821, 3711, 5642, 7422, 8463, 8659, 16081, 16926, 17318, 25977, 32162, 38347, 48243, 51954, 76694, 96486, 112567, 115041, 225134, 230082, 268429, 337701, 498511, 536858, 675402, 805287, 997022, 1495533, 1610574, 2991066, 3489577, 6979154, 10468731, 20937462]

約数ペア:

[(1, 20937462), (2, 10468731), (3, 6979154), (6, 3489577), (7, 2991066), (13, 1610574), (14, 1495533), (21, 997022), (26, 805287), (31, 675402), (39, 536858), (42, 498511), (62, 337701), (78, 268429), (91, 230082), (93, 225134), (182, 115041), (186, 112567), (217, 96486), (273, 76694), (403, 51954), (434, 48243), (546, 38347), (651, 32162), (806, 25977), (1209, 17318), (1237, 16926), (1302, 16081), (2418, 8659), (2474, 8463), (2821, 7422), (3711, 5642)]