20663916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39547284

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 127, 149, 156, 182, 254, 273, 298, 364, 381, 447, 508, 546, 596, 762, 889, 894, 1043, 1092, 1524, 1651, 1778, 1788, 1937, 2086, 2667, 3129, 3302, 3556, 3874, 4172, 4953, 5334, 5811, 6258, 6604, 7748, 9906, 10668, 11557, 11622, 12516, 13559, 18923, 19812, 23114, 23244, 27118, 34671, 37846, 40677, 46228, 54236, 56769, 69342, 75692, 81354, 113538, 132461, 138684, 162708, 227076, 245999, 264922, 397383, 491998, 529844, 737997, 794766, 983996, 1475994, 1589532, 1721993, 2951988, 3443986, 5165979, 6887972, 10331958, 20663916]

約数ペア:

[(1, 20663916), (2, 10331958), (3, 6887972), (4, 5165979), (6, 3443986), (7, 2951988), (12, 1721993), (13, 1589532), (14, 1475994), (21, 983996), (26, 794766), (28, 737997), (39, 529844), (42, 491998), (52, 397383), (78, 264922), (84, 245999), (91, 227076), (127, 162708), (149, 138684), (156, 132461), (182, 113538), (254, 81354), (273, 75692), (298, 69342), (364, 56769), (381, 54236), (447, 46228), (508, 40677), (546, 37846), (596, 34671), (762, 27118), (889, 23244), (894, 23114), (1043, 19812), (1092, 18923), (1524, 13559), (1651, 12516), (1778, 11622), (1788, 11557), (1937, 10668), (2086, 9906), (2667, 7748), (3129, 6604), (3302, 6258), (3556, 5811), (3874, 5334), (4172, 4953)]