20147164870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{255383}}^1$

素因数の和:255434

約数の個数: 64

約数和(自身を含む): 44130355200

約数和(自身を除く): 23983190330

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 343, 490, 686, 805, 1127, 1610, 1715, 2254, 3430, 5635, 7889, 11270, 15778, 39445, 78890, 255383, 510766, 1276915, 1787681, 2553830, 3575362, 5873809, 8938405, 11747618, 12513767, 17876810, 25027534, 29369045, 41116663, 58738090, 62568835, 82233326, 87596369, 125137670, 175192738, 205583315, 287816641, 411166630, 437981845, 575633282, 875963690, 1439083205, 2014716487, 2878166410, 4029432974, 10073582435, 20147164870]

約数ペア:

[(1, 20147164870), (2, 10073582435), (5, 4029432974), (7, 2878166410), (10, 2014716487), (14, 1439083205), (23, 875963690), (35, 575633282), (46, 437981845), (49, 411166630), (70, 287816641), (98, 205583315), (115, 175192738), (161, 125137670), (230, 87596369), (245, 82233326), (322, 62568835), (343, 58738090), (490, 41116663), (686, 29369045), (805, 25027534), (1127, 17876810), (1610, 12513767), (1715, 11747618), (2254, 8938405), (3430, 5873809), (5635, 3575362), (7889, 2553830), (11270, 1787681), (15778, 1276915), (39445, 510766), (78890, 255383)]