20853168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 62781696

約数和(自身を除く): 41928528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1171, 1272, 1484, 2226, 2342, 2544, 2968, 3513, 4452, 4684, 5936, 7026, 8197, 8904, 9368, 14052, 16394, 17808, 18736, 24591, 28104, 32788, 49182, 56208, 62063, 65576, 98364, 124126, 131152, 186189, 196728, 248252, 372378, 393456, 434441, 496504, 744756, 868882, 993008, 1303323, 1489512, 1737764, 2606646, 2979024, 3475528, 5213292, 6951056, 10426584, 20853168]

約数ペア:

[(1, 20853168), (2, 10426584), (3, 6951056), (4, 5213292), (6, 3475528), (7, 2979024), (8, 2606646), (12, 1737764), (14, 1489512), (16, 1303323), (21, 993008), (24, 868882), (28, 744756), (42, 496504), (48, 434441), (53, 393456), (56, 372378), (84, 248252), (106, 196728), (112, 186189), (159, 131152), (168, 124126), (212, 98364), (318, 65576), (336, 62063), (371, 56208), (424, 49182), (636, 32788), (742, 28104), (848, 24591), (1113, 18736), (1171, 17808), (1272, 16394), (1484, 14052), (2226, 9368), (2342, 8904), (2544, 8197), (2968, 7026), (3513, 5936), (4452, 4684)]