20926125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 43804800

約数和(自身を除く): 22878675

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 89, 95, 99, 125, 165, 171, 209, 225, 267, 275, 285, 375, 445, 475, 495, 627, 801, 825, 855, 979, 1045, 1125, 1335, 1375, 1425, 1691, 1881, 2225, 2375, 2475, 2937, 3135, 4005, 4125, 4275, 4895, 5073, 5225, 6675, 7125, 8455, 8811, 9405, 11125, 12375, 14685, 15219, 15675, 18601, 20025, 21375, 24475, 25365, 26125, 33375, 42275, 44055, 47025, 55803, 73425, 76095, 78375, 93005, 100125, 122375, 126825, 167409, 211375, 220275, 235125, 279015, 367125, 380475, 465025, 634125, 837045, 1101375, 1395075, 1902375, 2325125, 4185225, 6975375, 20926125]

約数ペア:

[(1, 20926125), (3, 6975375), (5, 4185225), (9, 2325125), (11, 1902375), (15, 1395075), (19, 1101375), (25, 837045), (33, 634125), (45, 465025), (55, 380475), (57, 367125), (75, 279015), (89, 235125), (95, 220275), (99, 211375), (125, 167409), (165, 126825), (171, 122375), (209, 100125), (225, 93005), (267, 78375), (275, 76095), (285, 73425), (375, 55803), (445, 47025), (475, 44055), (495, 42275), (627, 33375), (801, 26125), (825, 25365), (855, 24475), (979, 21375), (1045, 20025), (1125, 18601), (1335, 15675), (1375, 15219), (1425, 14685), (1691, 12375), (1881, 11125), (2225, 9405), (2375, 8811), (2475, 8455), (2937, 7125), (3135, 6675), (4005, 5225), (4125, 5073), (4275, 4895)]