20408032504

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{4457}}^1$

素因数の和:4720

約数の個数: 64

約数和(自身を含む): 39720780000

約数和(自身を除く): 19312747496

約数列:

[1, 2, 4, 8, 59, 89, 109, 118, 178, 218, 236, 356, 436, 472, 712, 872, 4457, 5251, 6431, 8914, 9701, 10502, 12862, 17828, 19402, 21004, 25724, 35656, 38804, 42008, 51448, 77608, 262963, 396673, 485813, 525926, 572359, 793346, 971626, 1051852, 1144718, 1586692, 1943252, 2103704, 2289436, 3173384, 3886504, 4578872, 23403707, 28662967, 43237357, 46807414, 57325934, 86474714, 93614828, 114651868, 172949428, 187229656, 229303736, 345898856, 2551004063, 5102008126, 10204016252, 20408032504]

約数ペア:

[(1, 20408032504), (2, 10204016252), (4, 5102008126), (8, 2551004063), (59, 345898856), (89, 229303736), (109, 187229656), (118, 172949428), (178, 114651868), (218, 93614828), (236, 86474714), (356, 57325934), (436, 46807414), (472, 43237357), (712, 28662967), (872, 23403707), (4457, 4578872), (5251, 3886504), (6431, 3173384), (8914, 2289436), (9701, 2103704), (10502, 1943252), (12862, 1586692), (17828, 1144718), (19402, 1051852), (21004, 971626), (25724, 793346), (35656, 572359), (38804, 525926), (42008, 485813), (51448, 396673), (77608, 262963)]