20794328748

素因数分解:

$2^2\times 3^4\times {\mathrm{193}}^2\times {\mathrm{1723}}^1$

素因数の和:2125

約数の個数: 90

約数和(自身を含む): 54675317004

約数和(自身を除く): 33880988256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 193, 324, 386, 579, 772, 1158, 1723, 1737, 2316, 3446, 3474, 5169, 5211, 6892, 6948, 10338, 10422, 15507, 15633, 20676, 20844, 31014, 31266, 37249, 46521, 62028, 62532, 74498, 93042, 111747, 139563, 148996, 186084, 223494, 279126, 332539, 335241, 446988, 558252, 665078, 670482, 997617, 1005723, 1330156, 1340964, 1995234, 2011446, 2992851, 3017169, 3990468, 4022892, 5985702, 6034338, 8978553, 11971404, 12068676, 17957106, 26935659, 35914212, 53871318, 64180027, 107742636, 128360054, 192540081, 256720108, 385080162, 577620243, 770160324, 1155240486, 1732860729, 2310480972, 3465721458, 5198582187, 6931442916, 10397164374, 20794328748]

約数ペア:

[(1, 20794328748), (2, 10397164374), (3, 6931442916), (4, 5198582187), (6, 3465721458), (9, 2310480972), (12, 1732860729), (18, 1155240486), (27, 770160324), (36, 577620243), (54, 385080162), (81, 256720108), (108, 192540081), (162, 128360054), (193, 107742636), (324, 64180027), (386, 53871318), (579, 35914212), (772, 26935659), (1158, 17957106), (1723, 12068676), (1737, 11971404), (2316, 8978553), (3446, 6034338), (3474, 5985702), (5169, 4022892), (5211, 3990468), (6892, 3017169), (6948, 2992851), (10338, 2011446), (10422, 1995234), (15507, 1340964), (15633, 1330156), (20676, 1005723), (20844, 997617), (31014, 670482), (31266, 665078), (37249, 558252), (46521, 446988), (62028, 335241), (62532, 332539), (74498, 279126), (93042, 223494), (111747, 186084), (139563, 148996)]