20496564

素因数分解:

$2^2\times 3^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 108

約数和(自身を含む): 59518368

約数和(自身を除く): 39021804

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 71, 81, 99, 108, 132, 142, 162, 198, 213, 243, 284, 297, 324, 396, 426, 486, 594, 639, 729, 781, 852, 891, 972, 1188, 1278, 1458, 1562, 1782, 1917, 2187, 2343, 2556, 2673, 2916, 3124, 3564, 3834, 4374, 4686, 5346, 5751, 6561, 7029, 7668, 8019, 8748, 9372, 10692, 11502, 13122, 14058, 16038, 17253, 21087, 23004, 24057, 26244, 28116, 32076, 34506, 42174, 48114, 51759, 63261, 69012, 72171, 84348, 96228, 103518, 126522, 144342, 155277, 189783, 207036, 253044, 288684, 310554, 379566, 465831, 569349, 621108, 759132, 931662, 1138698, 1708047, 1863324, 2277396, 3416094, 5124141, 6832188, 10248282, 20496564]

約数ペア:

[(1, 20496564), (2, 10248282), (3, 6832188), (4, 5124141), (6, 3416094), (9, 2277396), (11, 1863324), (12, 1708047), (18, 1138698), (22, 931662), (27, 759132), (33, 621108), (36, 569349), (44, 465831), (54, 379566), (66, 310554), (71, 288684), (81, 253044), (99, 207036), (108, 189783), (132, 155277), (142, 144342), (162, 126522), (198, 103518), (213, 96228), (243, 84348), (284, 72171), (297, 69012), (324, 63261), (396, 51759), (426, 48114), (486, 42174), (594, 34506), (639, 32076), (729, 28116), (781, 26244), (852, 24057), (891, 23004), (972, 21087), (1188, 17253), (1278, 16038), (1458, 14058), (1562, 13122), (1782, 11502), (1917, 10692), (2187, 9372), (2343, 8748), (2556, 8019), (2673, 7668), (2916, 7029), (3124, 6561), (3564, 5751), (3834, 5346), (4374, 4686)]