20724228

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 62361600

約数和(自身を除く): 41637372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 84, 108, 126, 158, 189, 237, 252, 316, 347, 378, 474, 553, 694, 711, 756, 948, 1041, 1106, 1388, 1422, 1659, 2082, 2133, 2212, 2429, 2844, 3123, 3318, 4164, 4266, 4858, 4977, 6246, 6636, 7287, 8532, 9369, 9716, 9954, 12492, 14574, 14931, 18738, 19908, 21861, 27413, 29148, 29862, 37476, 43722, 54826, 59724, 65583, 82239, 87444, 109652, 131166, 164478, 191891, 246717, 262332, 328956, 383782, 493434, 575673, 740151, 767564, 986868, 1151346, 1480302, 1727019, 2302692, 2960604, 3454038, 5181057, 6908076, 10362114, 20724228]

約数ペア:

[(1, 20724228), (2, 10362114), (3, 6908076), (4, 5181057), (6, 3454038), (7, 2960604), (9, 2302692), (12, 1727019), (14, 1480302), (18, 1151346), (21, 986868), (27, 767564), (28, 740151), (36, 575673), (42, 493434), (54, 383782), (63, 328956), (79, 262332), (84, 246717), (108, 191891), (126, 164478), (158, 131166), (189, 109652), (237, 87444), (252, 82239), (316, 65583), (347, 59724), (378, 54826), (474, 43722), (553, 37476), (694, 29862), (711, 29148), (756, 27413), (948, 21861), (1041, 19908), (1106, 18738), (1388, 14931), (1422, 14574), (1659, 12492), (2082, 9954), (2133, 9716), (2212, 9369), (2429, 8532), (2844, 7287), (3123, 6636), (3318, 6246), (4164, 4977), (4266, 4858)]