20447784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 96

約数和(自身を含む): 65520000

約数和(自身を除く): 45072216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 56, 58, 63, 72, 84, 87, 116, 126, 168, 174, 203, 232, 252, 261, 348, 406, 504, 522, 609, 696, 812, 1044, 1218, 1399, 1624, 1827, 2088, 2436, 2798, 3654, 4197, 4872, 5596, 7308, 8394, 9793, 11192, 12591, 14616, 16788, 19586, 25182, 29379, 33576, 39172, 40571, 50364, 58758, 78344, 81142, 88137, 100728, 117516, 121713, 162284, 176274, 235032, 243426, 283997, 324568, 352548, 365139, 486852, 567994, 705096, 730278, 851991, 973704, 1135988, 1460556, 1703982, 2271976, 2555973, 2921112, 3407964, 5111946, 6815928, 10223892, 20447784]

約数ペア:

[(1, 20447784), (2, 10223892), (3, 6815928), (4, 5111946), (6, 3407964), (7, 2921112), (8, 2555973), (9, 2271976), (12, 1703982), (14, 1460556), (18, 1135988), (21, 973704), (24, 851991), (28, 730278), (29, 705096), (36, 567994), (42, 486852), (56, 365139), (58, 352548), (63, 324568), (72, 283997), (84, 243426), (87, 235032), (116, 176274), (126, 162284), (168, 121713), (174, 117516), (203, 100728), (232, 88137), (252, 81142), (261, 78344), (348, 58758), (406, 50364), (504, 40571), (522, 39172), (609, 33576), (696, 29379), (812, 25182), (1044, 19586), (1218, 16788), (1399, 14616), (1624, 12591), (1827, 11192), (2088, 9793), (2436, 8394), (2798, 7308), (3654, 5596), (4197, 4872)]