20691527610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{525299}}^1$

素因数の和:525423

約数の個数: 64

約数和(自身を含む): 54009244800

約数和(自身を除く): 33317717190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2626, 3030, 3939, 6565, 7878, 13130, 19695, 39390, 525299, 1050598, 1575897, 2626495, 3151794, 5252990, 6828887, 7879485, 13657774, 15758970, 20486661, 34144435, 40973322, 53055199, 68288870, 102433305, 106110398, 159165597, 204866610, 265275995, 318331194, 530551990, 689717587, 795827985, 1379435174, 1591655970, 2069152761, 3448587935, 4138305522, 6897175870, 10345763805, 20691527610]

約数ペア:

[(1, 20691527610), (2, 10345763805), (3, 6897175870), (5, 4138305522), (6, 3448587935), (10, 2069152761), (13, 1591655970), (15, 1379435174), (26, 795827985), (30, 689717587), (39, 530551990), (65, 318331194), (78, 265275995), (101, 204866610), (130, 159165597), (195, 106110398), (202, 102433305), (303, 68288870), (390, 53055199), (505, 40973322), (606, 34144435), (1010, 20486661), (1313, 15758970), (1515, 13657774), (2626, 7879485), (3030, 6828887), (3939, 5252990), (6565, 3151794), (7878, 2626495), (13130, 1575897), (19695, 1050598), (39390, 525299)]