20591844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 60023040

約数和(自身を除く): 39431196

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 109, 156, 173, 182, 218, 273, 327, 346, 364, 436, 519, 546, 654, 692, 763, 1038, 1092, 1211, 1308, 1417, 1526, 2076, 2249, 2289, 2422, 2834, 3052, 3633, 4251, 4498, 4578, 4844, 5668, 6747, 7266, 8502, 8996, 9156, 9919, 13494, 14532, 15743, 17004, 18857, 19838, 26988, 29757, 31486, 37714, 39676, 47229, 56571, 59514, 62972, 75428, 94458, 113142, 119028, 131999, 188916, 226284, 245141, 263998, 395997, 490282, 527996, 735423, 791994, 980564, 1470846, 1583988, 1715987, 2941692, 3431974, 5147961, 6863948, 10295922, 20591844]

約数ペア:

[(1, 20591844), (2, 10295922), (3, 6863948), (4, 5147961), (6, 3431974), (7, 2941692), (12, 1715987), (13, 1583988), (14, 1470846), (21, 980564), (26, 791994), (28, 735423), (39, 527996), (42, 490282), (52, 395997), (78, 263998), (84, 245141), (91, 226284), (109, 188916), (156, 131999), (173, 119028), (182, 113142), (218, 94458), (273, 75428), (327, 62972), (346, 59514), (364, 56571), (436, 47229), (519, 39676), (546, 37714), (654, 31486), (692, 29757), (763, 26988), (1038, 19838), (1092, 18857), (1211, 17004), (1308, 15743), (1417, 14532), (1526, 13494), (2076, 9919), (2249, 9156), (2289, 8996), (2422, 8502), (2834, 7266), (3052, 6747), (3633, 5668), (4251, 4844), (4498, 4578)]