20917687392

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10375837}}^1$

素因数の和:10375860

約数の個数: 72

約数和(自身を含む): 67982490576

約数和(自身を除く): 47064803184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10375837, 20751674, 31127511, 41503348, 62255022, 72630859, 83006696, 93382533, 124510044, 145261718, 166013392, 186765066, 217892577, 249020088, 290523436, 332026784, 373530132, 435785154, 498040176, 581046872, 653677731, 747060264, 871570308, 996080352, 1162093744, 1307355462, 1494120528, 1743140616, 2324187488, 2614710924, 2988241056, 3486281232, 5229421848, 6972562464, 10458843696, 20917687392]

約数ペア:

[(1, 20917687392), (2, 10458843696), (3, 6972562464), (4, 5229421848), (6, 3486281232), (7, 2988241056), (8, 2614710924), (9, 2324187488), (12, 1743140616), (14, 1494120528), (16, 1307355462), (18, 1162093744), (21, 996080352), (24, 871570308), (28, 747060264), (32, 653677731), (36, 581046872), (42, 498040176), (48, 435785154), (56, 373530132), (63, 332026784), (72, 290523436), (84, 249020088), (96, 217892577), (112, 186765066), (126, 166013392), (144, 145261718), (168, 124510044), (224, 93382533), (252, 83006696), (288, 72630859), (336, 62255022), (504, 41503348), (672, 31127511), (1008, 20751674), (2016, 10375837)]