20665944

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22079}}^1$

素因数の和:22104

約数の個数: 48

約数和(自身を含む): 60278400

約数和(自身を除く): 39612456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22079, 44158, 66237, 88316, 132474, 176632, 198711, 264948, 287027, 397422, 529896, 574054, 794844, 861081, 1148108, 1589688, 1722162, 2296216, 2583243, 3444324, 5166486, 6888648, 10332972, 20665944]

約数ペア:

[(1, 20665944), (2, 10332972), (3, 6888648), (4, 5166486), (6, 3444324), (8, 2583243), (9, 2296216), (12, 1722162), (13, 1589688), (18, 1148108), (24, 861081), (26, 794844), (36, 574054), (39, 529896), (52, 397422), (72, 287027), (78, 264948), (104, 198711), (117, 176632), (156, 132474), (234, 88316), (312, 66237), (468, 44158), (936, 22079)]