20591532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1959

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 37930932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1913, 2691, 3588, 3826, 5382, 5739, 7652, 10764, 11478, 17217, 22956, 24869, 34434, 43999, 49738, 68868, 74607, 87998, 99476, 131997, 149214, 175996, 223821, 263994, 298428, 395991, 447642, 527988, 571987, 791982, 895284, 1143974, 1583964, 1715961, 2287948, 3431922, 5147883, 6863844, 10295766, 20591532]

約数ペア:

[(1, 20591532), (2, 10295766), (3, 6863844), (4, 5147883), (6, 3431922), (9, 2287948), (12, 1715961), (13, 1583964), (18, 1143974), (23, 895284), (26, 791982), (36, 571987), (39, 527988), (46, 447642), (52, 395991), (69, 298428), (78, 263994), (92, 223821), (117, 175996), (138, 149214), (156, 131997), (207, 99476), (234, 87998), (276, 74607), (299, 68868), (414, 49738), (468, 43999), (598, 34434), (828, 24869), (897, 22956), (1196, 17217), (1794, 11478), (1913, 10764), (2691, 7652), (3588, 5739), (3826, 5382)]