20232784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 27264176

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 239, 286, 296, 407, 478, 481, 572, 592, 814, 956, 962, 1144, 1628, 1912, 1924, 2288, 2629, 3107, 3256, 3824, 3848, 5258, 5291, 6214, 6512, 7696, 8843, 10516, 10582, 12428, 17686, 21032, 21164, 24856, 34177, 35372, 42064, 42328, 49712, 68354, 70744, 84656, 97273, 114959, 136708, 141488, 194546, 229918, 273416, 389092, 459836, 546832, 778184, 919672, 1264549, 1556368, 1839344, 2529098, 5058196, 10116392, 20232784]

約数ペア:

[(1, 20232784), (2, 10116392), (4, 5058196), (8, 2529098), (11, 1839344), (13, 1556368), (16, 1264549), (22, 919672), (26, 778184), (37, 546832), (44, 459836), (52, 389092), (74, 273416), (88, 229918), (104, 194546), (143, 141488), (148, 136708), (176, 114959), (208, 97273), (239, 84656), (286, 70744), (296, 68354), (407, 49712), (478, 42328), (481, 42064), (572, 35372), (592, 34177), (814, 24856), (956, 21164), (962, 21032), (1144, 17686), (1628, 12428), (1912, 10582), (1924, 10516), (2288, 8843), (2629, 7696), (3107, 6512), (3256, 6214), (3824, 5291), (3848, 5258)]