20953044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 65939328

約数和(自身を除く): 44986284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 67, 68, 73, 84, 102, 119, 126, 134, 146, 153, 201, 204, 219, 238, 252, 268, 292, 306, 357, 402, 438, 469, 476, 511, 603, 612, 657, 714, 804, 876, 938, 1022, 1071, 1139, 1206, 1241, 1314, 1407, 1428, 1533, 1876, 2044, 2142, 2278, 2412, 2482, 2628, 2814, 3066, 3417, 3723, 4221, 4284, 4556, 4599, 4891, 4964, 5628, 6132, 6834, 7446, 7973, 8442, 8687, 9198, 9782, 10251, 11169, 13668, 14673, 14892, 15946, 16884, 17374, 18396, 19564, 20502, 22338, 23919, 26061, 29346, 31892, 34237, 34748, 41004, 44019, 44676, 47838, 52122, 58692, 68474, 71757, 78183, 83147, 88038, 95676, 102711, 104244, 136948, 143514, 156366, 166294, 176076, 205422, 249441, 287028, 308133, 312732, 332588, 410844, 498882, 582029, 616266, 748323, 997764, 1164058, 1232532, 1496646, 1746087, 2328116, 2993292, 3492174, 5238261, 6984348, 10476522, 20953044]

約数ペア:

[(1, 20953044), (2, 10476522), (3, 6984348), (4, 5238261), (6, 3492174), (7, 2993292), (9, 2328116), (12, 1746087), (14, 1496646), (17, 1232532), (18, 1164058), (21, 997764), (28, 748323), (34, 616266), (36, 582029), (42, 498882), (51, 410844), (63, 332588), (67, 312732), (68, 308133), (73, 287028), (84, 249441), (102, 205422), (119, 176076), (126, 166294), (134, 156366), (146, 143514), (153, 136948), (201, 104244), (204, 102711), (219, 95676), (238, 88038), (252, 83147), (268, 78183), (292, 71757), (306, 68474), (357, 58692), (402, 52122), (438, 47838), (469, 44676), (476, 44019), (511, 41004), (603, 34748), (612, 34237), (657, 31892), (714, 29346), (804, 26061), (876, 23919), (938, 22338), (1022, 20502), (1071, 19564), (1139, 18396), (1206, 17374), (1241, 16884), (1314, 15946), (1407, 14892), (1428, 14673), (1533, 13668), (1876, 11169), (2044, 10251), (2142, 9782), (2278, 9198), (2412, 8687), (2482, 8442), (2628, 7973), (2814, 7446), (3066, 6834), (3417, 6132), (3723, 5628), (4221, 4964), (4284, 4891), (4556, 4599)]