20537632

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 45087840

約数和(自身を除く): 24550208

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1987, 2584, 3974, 5168, 7948, 10336, 15896, 31792, 33779, 37753, 63584, 67558, 75506, 135116, 151012, 270232, 302024, 540464, 604048, 641801, 1080928, 1208096, 1283602, 2567204, 5134408, 10268816, 20537632]

約数ペア:

[(1, 20537632), (2, 10268816), (4, 5134408), (8, 2567204), (16, 1283602), (17, 1208096), (19, 1080928), (32, 641801), (34, 604048), (38, 540464), (68, 302024), (76, 270232), (136, 151012), (152, 135116), (272, 75506), (304, 67558), (323, 63584), (544, 37753), (608, 33779), (646, 31792), (1292, 15896), (1987, 10336), (2584, 7948), (3974, 5168)]