20565902708

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1601207}}^1$

素因数の和:1601256

約数の個数: 36

約数和(自身を含む): 41022948960

約数和(自身を除く): 20457046252

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 1601207, 3202414, 6404828, 20815691, 30422933, 41631382, 60845866, 83262764, 121691732, 270603983, 395498129, 541207966, 790996258, 1082415932, 1581992516, 5141475677, 10282951354, 20565902708]

約数ペア:

[(1, 20565902708), (2, 10282951354), (4, 5141475677), (13, 1581992516), (19, 1082415932), (26, 790996258), (38, 541207966), (52, 395498129), (76, 270603983), (169, 121691732), (247, 83262764), (338, 60845866), (494, 41631382), (676, 30422933), (988, 20815691), (3211, 6404828), (6422, 3202414), (12844, 1601207)]