20196544

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 44714160

約数和(自身を除く): 24517616

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 977, 1088, 1216, 1292, 1954, 2584, 3908, 5168, 7816, 10336, 15632, 16609, 18563, 20672, 31264, 33218, 37126, 62528, 66436, 74252, 132872, 148504, 265744, 297008, 315571, 531488, 594016, 631142, 1062976, 1188032, 1262284, 2524568, 5049136, 10098272, 20196544]

約数ペア:

[(1, 20196544), (2, 10098272), (4, 5049136), (8, 2524568), (16, 1262284), (17, 1188032), (19, 1062976), (32, 631142), (34, 594016), (38, 531488), (64, 315571), (68, 297008), (76, 265744), (136, 148504), (152, 132872), (272, 74252), (304, 66436), (323, 62528), (544, 37126), (608, 33218), (646, 31264), (977, 20672), (1088, 18563), (1216, 16609), (1292, 15632), (1954, 10336), (2584, 7816), (3908, 5168)]