20854236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3670

約数の個数: 48

約数和(自身を含む): 53834144

約数和(自身を除く): 32979908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3613, 5772, 7226, 10839, 14452, 21678, 43356, 46969, 93938, 133681, 140907, 187876, 267362, 281814, 401043, 534724, 563628, 802086, 1604172, 1737853, 3475706, 5213559, 6951412, 10427118, 20854236]

約数ペア:

[(1, 20854236), (2, 10427118), (3, 6951412), (4, 5213559), (6, 3475706), (12, 1737853), (13, 1604172), (26, 802086), (37, 563628), (39, 534724), (52, 401043), (74, 281814), (78, 267362), (111, 187876), (148, 140907), (156, 133681), (222, 93938), (444, 46969), (481, 43356), (962, 21678), (1443, 14452), (1924, 10839), (2886, 7226), (3613, 5772)]