20679372

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:660

約数の個数: 108

約数和(自身を含む): 64111320

約数和(自身を除く): 43431948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 617, 684, 798, 882, 931, 1197, 1234, 1596, 1764, 1851, 1862, 2394, 2468, 2793, 3702, 3724, 4319, 4788, 5553, 5586, 7404, 8379, 8638, 11106, 11172, 11723, 12957, 16758, 17276, 22212, 23446, 25914, 30233, 33516, 35169, 38871, 46892, 51828, 60466, 70338, 77742, 82061, 90699, 105507, 120932, 140676, 155484, 164122, 181398, 211014, 246183, 272097, 328244, 362796, 422028, 492366, 544194, 574427, 738549, 984732, 1088388, 1148854, 1477098, 1723281, 2297708, 2954196, 3446562, 5169843, 6893124, 10339686, 20679372]

約数ペア:

[(1, 20679372), (2, 10339686), (3, 6893124), (4, 5169843), (6, 3446562), (7, 2954196), (9, 2297708), (12, 1723281), (14, 1477098), (18, 1148854), (19, 1088388), (21, 984732), (28, 738549), (36, 574427), (38, 544194), (42, 492366), (49, 422028), (57, 362796), (63, 328244), (76, 272097), (84, 246183), (98, 211014), (114, 181398), (126, 164122), (133, 155484), (147, 140676), (171, 120932), (196, 105507), (228, 90699), (252, 82061), (266, 77742), (294, 70338), (342, 60466), (399, 51828), (441, 46892), (532, 38871), (588, 35169), (617, 33516), (684, 30233), (798, 25914), (882, 23446), (931, 22212), (1197, 17276), (1234, 16758), (1596, 12957), (1764, 11723), (1851, 11172), (1862, 11106), (2394, 8638), (2468, 8379), (2793, 7404), (3702, 5586), (3724, 5553), (4319, 4788)]