20618052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39593148

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 79, 84, 91, 156, 158, 182, 237, 239, 273, 316, 364, 474, 478, 546, 553, 717, 948, 956, 1027, 1092, 1106, 1434, 1659, 1673, 2054, 2212, 2868, 3081, 3107, 3318, 3346, 4108, 5019, 6162, 6214, 6636, 6692, 7189, 9321, 10038, 12324, 12428, 14378, 18642, 18881, 20076, 21567, 21749, 28756, 37284, 37762, 43134, 43498, 56643, 65247, 75524, 86268, 86996, 113286, 130494, 132167, 226572, 245453, 260988, 264334, 396501, 490906, 528668, 736359, 793002, 981812, 1472718, 1586004, 1718171, 2945436, 3436342, 5154513, 6872684, 10309026, 20618052]

約数ペア:

[(1, 20618052), (2, 10309026), (3, 6872684), (4, 5154513), (6, 3436342), (7, 2945436), (12, 1718171), (13, 1586004), (14, 1472718), (21, 981812), (26, 793002), (28, 736359), (39, 528668), (42, 490906), (52, 396501), (78, 264334), (79, 260988), (84, 245453), (91, 226572), (156, 132167), (158, 130494), (182, 113286), (237, 86996), (239, 86268), (273, 75524), (316, 65247), (364, 56643), (474, 43498), (478, 43134), (546, 37762), (553, 37284), (717, 28756), (948, 21749), (956, 21567), (1027, 20076), (1092, 18881), (1106, 18642), (1434, 14378), (1659, 12428), (1673, 12324), (2054, 10038), (2212, 9321), (2868, 7189), (3081, 6692), (3107, 6636), (3318, 6214), (3346, 6162), (4108, 5019)]