20199723712

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^2\times {\mathrm{8461}}^1$

素因数の和:8626

約数の個数: 84

約数和(自身を含む): 46451708976

約数和(自身を除く): 26251985264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 1022, 1168, 2044, 2336, 4088, 4672, 5329, 8176, 8461, 10658, 16352, 16922, 21316, 32704, 33844, 37303, 42632, 59227, 67688, 74606, 85264, 118454, 135376, 149212, 170528, 236908, 270752, 298424, 341056, 473816, 541504, 596848, 617653, 947632, 1193696, 1235306, 1895264, 2387392, 2470612, 3790528, 4323571, 4941224, 8647142, 9882448, 17294284, 19764896, 34588568, 39529792, 45088669, 69177136, 90177338, 138354272, 180354676, 276708544, 315620683, 360709352, 631241366, 721418704, 1262482732, 1442837408, 2524965464, 2885674816, 5049930928, 10099861856, 20199723712]

約数ペア:

[(1, 20199723712), (2, 10099861856), (4, 5049930928), (7, 2885674816), (8, 2524965464), (14, 1442837408), (16, 1262482732), (28, 721418704), (32, 631241366), (56, 360709352), (64, 315620683), (73, 276708544), (112, 180354676), (146, 138354272), (224, 90177338), (292, 69177136), (448, 45088669), (511, 39529792), (584, 34588568), (1022, 19764896), (1168, 17294284), (2044, 9882448), (2336, 8647142), (4088, 4941224), (4672, 4323571), (5329, 3790528), (8176, 2470612), (8461, 2387392), (10658, 1895264), (16352, 1235306), (16922, 1193696), (21316, 947632), (32704, 617653), (33844, 596848), (37303, 541504), (42632, 473816), (59227, 341056), (67688, 298424), (74606, 270752), (85264, 236908), (118454, 170528), (135376, 149212)]