20392722

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{367}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 53433600

約数和(自身を除く): 33040878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 367, 378, 441, 567, 686, 734, 882, 1029, 1101, 1134, 1323, 2058, 2202, 2569, 2646, 3087, 3303, 3969, 5138, 6174, 6606, 7707, 7938, 9261, 9909, 15414, 17983, 18522, 19818, 23121, 27783, 29727, 35966, 46242, 53949, 55566, 59454, 69363, 107898, 125881, 138726, 161847, 208089, 251762, 323694, 377643, 416178, 485541, 755286, 971082, 1132929, 1456623, 2265858, 2913246, 3398787, 6797574, 10196361, 20392722]

約数ペア:

[(1, 20392722), (2, 10196361), (3, 6797574), (6, 3398787), (7, 2913246), (9, 2265858), (14, 1456623), (18, 1132929), (21, 971082), (27, 755286), (42, 485541), (49, 416178), (54, 377643), (63, 323694), (81, 251762), (98, 208089), (126, 161847), (147, 138726), (162, 125881), (189, 107898), (294, 69363), (343, 59454), (367, 55566), (378, 53949), (441, 46242), (567, 35966), (686, 29727), (734, 27783), (882, 23121), (1029, 19818), (1101, 18522), (1134, 17983), (1323, 15414), (2058, 9909), (2202, 9261), (2569, 7938), (2646, 7707), (3087, 6606), (3303, 6174), (3969, 5138)]