20856430476

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{340591}}^1$

素因数の和:340623

約数の個数: 96

約数和(自身を含む): 62559938560

約数和(自身を除く): 41703508084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2187, 2268, 2916, 3402, 4374, 5103, 6804, 8748, 10206, 15309, 20412, 30618, 61236, 340591, 681182, 1021773, 1362364, 2043546, 2384137, 3065319, 4087092, 4768274, 6130638, 7152411, 9195957, 9536548, 12261276, 14304822, 18391914, 21457233, 27587871, 28609644, 36783828, 42914466, 55175742, 64371699, 82763613, 85828932, 110351484, 128743398, 165527226, 193115097, 248290839, 257486796, 331054452, 386230194, 496581678, 579345291, 744872517, 772460388, 993163356, 1158690582, 1489745034, 1738035873, 2317381164, 2979490068, 3476071746, 5214107619, 6952143492, 10428215238, 20856430476]

約数ペア:

[(1, 20856430476), (2, 10428215238), (3, 6952143492), (4, 5214107619), (6, 3476071746), (7, 2979490068), (9, 2317381164), (12, 1738035873), (14, 1489745034), (18, 1158690582), (21, 993163356), (27, 772460388), (28, 744872517), (36, 579345291), (42, 496581678), (54, 386230194), (63, 331054452), (81, 257486796), (84, 248290839), (108, 193115097), (126, 165527226), (162, 128743398), (189, 110351484), (243, 85828932), (252, 82763613), (324, 64371699), (378, 55175742), (486, 42914466), (567, 36783828), (729, 28609644), (756, 27587871), (972, 21457233), (1134, 18391914), (1458, 14304822), (1701, 12261276), (2187, 9536548), (2268, 9195957), (2916, 7152411), (3402, 6130638), (4374, 4768274), (5103, 4087092), (6804, 3065319), (8748, 2384137), (10206, 2043546), (15309, 1362364), (20412, 1021773), (30618, 681182), (61236, 340591)]