20360764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 19223396

約数列:

[1, 2, 4, 17, 34, 41, 67, 68, 82, 109, 134, 164, 218, 268, 436, 697, 1139, 1394, 1853, 2278, 2747, 2788, 3706, 4469, 4556, 5494, 7303, 7412, 8938, 10988, 14606, 17876, 29212, 46699, 75973, 93398, 124151, 151946, 186796, 248302, 299423, 303892, 496604, 598846, 1197692, 5090191, 10180382, 20360764]

約数ペア:

[(1, 20360764), (2, 10180382), (4, 5090191), (17, 1197692), (34, 598846), (41, 496604), (67, 303892), (68, 299423), (82, 248302), (109, 186796), (134, 151946), (164, 124151), (218, 93398), (268, 75973), (436, 46699), (697, 29212), (1139, 17876), (1394, 14606), (1853, 10988), (2278, 8938), (2747, 7412), (2788, 7303), (3706, 5494), (4469, 4556)]