204520212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10163}}^1$

素因数の和:10229

約数の個数: 72

約数和(自身を含む): 569753184

約数和(自身を除く): 365232972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 10163, 20124, 20326, 30489, 40652, 60978, 91467, 121956, 132119, 182934, 264238, 365868, 396357, 437009, 528476, 792714, 874018, 1189071, 1311027, 1585428, 1748036, 2378142, 2622054, 3933081, 4756284, 5244108, 5681117, 7866162, 11362234, 15732324, 17043351, 22724468, 34086702, 51130053, 68173404, 102260106, 204520212]

約数ペア:

[(1, 204520212), (2, 102260106), (3, 68173404), (4, 51130053), (6, 34086702), (9, 22724468), (12, 17043351), (13, 15732324), (18, 11362234), (26, 7866162), (36, 5681117), (39, 5244108), (43, 4756284), (52, 3933081), (78, 2622054), (86, 2378142), (117, 1748036), (129, 1585428), (156, 1311027), (172, 1189071), (234, 874018), (258, 792714), (387, 528476), (468, 437009), (516, 396357), (559, 365868), (774, 264238), (1118, 182934), (1548, 132119), (1677, 121956), (2236, 91467), (3354, 60978), (5031, 40652), (6708, 30489), (10062, 20326), (10163, 20124)]