20258388

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 53612832

約数和(自身を除く): 33354444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 67, 74, 111, 134, 148, 201, 222, 227, 268, 333, 402, 444, 454, 603, 666, 681, 804, 908, 1206, 1332, 1362, 2043, 2412, 2479, 2724, 4086, 4958, 7437, 8172, 8399, 9916, 14874, 15209, 16798, 22311, 25197, 29748, 30418, 33596, 44622, 45627, 50394, 60836, 75591, 89244, 91254, 100788, 136881, 151182, 182508, 273762, 302364, 547524, 562733, 1125466, 1688199, 2250932, 3376398, 5064597, 6752796, 10129194, 20258388]

約数ペア:

[(1, 20258388), (2, 10129194), (3, 6752796), (4, 5064597), (6, 3376398), (9, 2250932), (12, 1688199), (18, 1125466), (36, 562733), (37, 547524), (67, 302364), (74, 273762), (111, 182508), (134, 151182), (148, 136881), (201, 100788), (222, 91254), (227, 89244), (268, 75591), (333, 60836), (402, 50394), (444, 45627), (454, 44622), (603, 33596), (666, 30418), (681, 29748), (804, 25197), (908, 22311), (1206, 16798), (1332, 15209), (1362, 14874), (2043, 9916), (2412, 8399), (2479, 8172), (2724, 7437), (4086, 4958)]