20292525

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 60

約数和(自身を含む): 41050944

約数和(自身を除く): 20758419

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 275, 297, 405, 495, 675, 825, 891, 911, 1485, 2025, 2475, 2733, 4455, 4555, 7425, 8199, 10021, 13665, 22275, 22775, 24597, 30063, 40995, 50105, 68325, 73791, 90189, 122985, 150315, 204975, 250525, 270567, 368955, 450945, 614925, 751575, 811701, 1352835, 1844775, 2254725, 4058505, 6764175, 20292525]

約数ペア:

[(1, 20292525), (3, 6764175), (5, 4058505), (9, 2254725), (11, 1844775), (15, 1352835), (25, 811701), (27, 751575), (33, 614925), (45, 450945), (55, 368955), (75, 270567), (81, 250525), (99, 204975), (135, 150315), (165, 122985), (225, 90189), (275, 73791), (297, 68325), (405, 50105), (495, 40995), (675, 30063), (825, 24597), (891, 22775), (911, 22275), (1485, 13665), (2025, 10021), (2475, 8199), (2733, 7425), (4455, 4555)]