20251868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27164452

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 41, 46, 52, 59, 82, 91, 92, 118, 161, 164, 182, 236, 287, 299, 322, 364, 413, 533, 574, 598, 644, 767, 826, 943, 1066, 1148, 1196, 1357, 1534, 1652, 1886, 2093, 2132, 2419, 2714, 3068, 3731, 3772, 4186, 4838, 5369, 5428, 6601, 7462, 8372, 9499, 9676, 10738, 12259, 13202, 14924, 16933, 17641, 18998, 21476, 24518, 26404, 31447, 33866, 35282, 37996, 49036, 55637, 62894, 67732, 70564, 85813, 111274, 123487, 125788, 171626, 220129, 222548, 246974, 343252, 389459, 440258, 493948, 723281, 778918, 880516, 1446562, 1557836, 2893124, 5062967, 10125934, 20251868]

約数ペア:

[(1, 20251868), (2, 10125934), (4, 5062967), (7, 2893124), (13, 1557836), (14, 1446562), (23, 880516), (26, 778918), (28, 723281), (41, 493948), (46, 440258), (52, 389459), (59, 343252), (82, 246974), (91, 222548), (92, 220129), (118, 171626), (161, 125788), (164, 123487), (182, 111274), (236, 85813), (287, 70564), (299, 67732), (322, 62894), (364, 55637), (413, 49036), (533, 37996), (574, 35282), (598, 33866), (644, 31447), (767, 26404), (826, 24518), (943, 21476), (1066, 18998), (1148, 17641), (1196, 16933), (1357, 14924), (1534, 13202), (1652, 12259), (1886, 10738), (2093, 9676), (2132, 9499), (2419, 8372), (2714, 7462), (3068, 6601), (3731, 5428), (3772, 5369), (4186, 4838)]