20697248

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1$

素因数の和:4557

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27184768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4523, 4576, 9046, 18092, 36184, 49753, 58799, 72368, 99506, 117598, 144736, 199012, 235196, 398024, 470392, 646789, 796048, 940784, 1293578, 1592096, 1881568, 2587156, 5174312, 10348624, 20697248]

約数ペア:

[(1, 20697248), (2, 10348624), (4, 5174312), (8, 2587156), (11, 1881568), (13, 1592096), (16, 1293578), (22, 940784), (26, 796048), (32, 646789), (44, 470392), (52, 398024), (88, 235196), (104, 199012), (143, 144736), (176, 117598), (208, 99506), (286, 72368), (352, 58799), (416, 49753), (572, 36184), (1144, 18092), (2288, 9046), (4523, 4576)]