20199786340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{7673}}^1$

素因数の和:7861

約数の個数: 96

約数和(自身を含む): 45484104960

約数和(自身を除く): 25284318620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 97, 115, 118, 194, 230, 236, 295, 388, 460, 485, 590, 970, 1180, 1357, 1940, 2231, 2714, 4462, 5428, 5723, 6785, 7673, 8924, 11155, 11446, 13570, 15346, 22310, 22892, 27140, 28615, 30692, 38365, 44620, 57230, 76730, 114460, 131629, 153460, 176479, 263258, 352958, 452707, 526516, 658145, 705916, 744281, 882395, 905414, 1316290, 1488562, 1764790, 1810828, 2263535, 2632580, 2977124, 3529580, 3721405, 4527070, 7442810, 9054140, 10412261, 14885620, 17118463, 20824522, 34236926, 41649044, 43912579, 52061305, 68473852, 85592315, 87825158, 104122610, 171184630, 175650316, 208245220, 219562895, 342369260, 439125790, 878251580, 1009989317, 2019978634, 4039957268, 5049946585, 10099893170, 20199786340]

約数ペア:

[(1, 20199786340), (2, 10099893170), (4, 5049946585), (5, 4039957268), (10, 2019978634), (20, 1009989317), (23, 878251580), (46, 439125790), (59, 342369260), (92, 219562895), (97, 208245220), (115, 175650316), (118, 171184630), (194, 104122610), (230, 87825158), (236, 85592315), (295, 68473852), (388, 52061305), (460, 43912579), (485, 41649044), (590, 34236926), (970, 20824522), (1180, 17118463), (1357, 14885620), (1940, 10412261), (2231, 9054140), (2714, 7442810), (4462, 4527070), (5428, 3721405), (5723, 3529580), (6785, 2977124), (7673, 2632580), (8924, 2263535), (11155, 1810828), (11446, 1764790), (13570, 1488562), (15346, 1316290), (22310, 905414), (22892, 882395), (27140, 744281), (28615, 705916), (30692, 658145), (38365, 526516), (44620, 452707), (57230, 352958), (76730, 263258), (114460, 176479), (131629, 153460)]