20454107769

素因数分解:

$3^8\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 31959237960

約数和(自身を除く): 11505130191

約数列:

[1, 3, 9, 27, 29, 81, 87, 193, 243, 261, 557, 579, 729, 783, 1671, 1737, 2187, 2349, 5013, 5211, 5597, 6561, 7047, 15039, 15633, 16153, 16791, 21141, 45117, 46899, 48459, 50373, 63423, 107501, 135351, 140697, 145377, 151119, 190269, 322503, 406053, 422091, 436131, 453357, 967509, 1218159, 1266273, 1308393, 1360071, 2902527, 3117529, 3654477, 3925179, 4080213, 8707581, 9352587, 11775537, 12240639, 26122743, 28057761, 35326611, 36721917, 78368229, 84173283, 105979833, 235104687, 252519849, 705314061, 757559547, 2272678641, 6818035923, 20454107769]

約数ペア:

[(1, 20454107769), (3, 6818035923), (9, 2272678641), (27, 757559547), (29, 705314061), (81, 252519849), (87, 235104687), (193, 105979833), (243, 84173283), (261, 78368229), (557, 36721917), (579, 35326611), (729, 28057761), (783, 26122743), (1671, 12240639), (1737, 11775537), (2187, 9352587), (2349, 8707581), (5013, 4080213), (5211, 3925179), (5597, 3654477), (6561, 3117529), (7047, 2902527), (15039, 1360071), (15633, 1308393), (16153, 1266273), (16791, 1218159), (21141, 967509), (45117, 453357), (46899, 436131), (48459, 422091), (50373, 406053), (63423, 322503), (107501, 190269), (135351, 151119), (140697, 145377)]