20944476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4889}}^1$

素因数の和:4923

約数の個数: 72

約数和(自身を含む): 64078560

約数和(自身を除く): 43134084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4889, 9778, 14667, 19556, 29334, 34223, 44001, 58668, 68446, 83113, 88002, 102669, 136892, 166226, 176004, 205338, 249339, 308007, 332452, 410676, 498678, 581791, 616014, 748017, 997356, 1163582, 1232028, 1496034, 1745373, 2327164, 2992068, 3490746, 5236119, 6981492, 10472238, 20944476]

約数ペア:

[(1, 20944476), (2, 10472238), (3, 6981492), (4, 5236119), (6, 3490746), (7, 2992068), (9, 2327164), (12, 1745373), (14, 1496034), (17, 1232028), (18, 1163582), (21, 997356), (28, 748017), (34, 616014), (36, 581791), (42, 498678), (51, 410676), (63, 332452), (68, 308007), (84, 249339), (102, 205338), (119, 176004), (126, 166226), (153, 136892), (204, 102669), (238, 88002), (252, 83113), (306, 68446), (357, 58668), (476, 44001), (612, 34223), (714, 29334), (1071, 19556), (1428, 14667), (2142, 9778), (4284, 4889)]