20656064

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 112

約数和(自身を含む): 50267616

約数和(自身を除く): 29611552

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 37, 44, 52, 61, 64, 74, 88, 104, 122, 143, 148, 176, 208, 244, 286, 296, 352, 407, 416, 481, 488, 572, 592, 671, 704, 793, 814, 832, 962, 976, 1144, 1184, 1342, 1586, 1628, 1924, 1952, 2257, 2288, 2368, 2684, 3172, 3256, 3848, 3904, 4514, 4576, 5291, 5368, 6344, 6512, 7696, 8723, 9028, 9152, 10582, 10736, 12688, 13024, 15392, 17446, 18056, 21164, 21472, 24827, 25376, 26048, 29341, 30784, 34892, 36112, 42328, 42944, 49654, 50752, 58682, 69784, 72224, 84656, 99308, 117364, 139568, 144448, 169312, 198616, 234728, 279136, 322751, 338624, 397232, 469456, 558272, 645502, 794464, 938912, 1291004, 1588928, 1877824, 2582008, 5164016, 10328032, 20656064]

約数ペア:

[(1, 20656064), (2, 10328032), (4, 5164016), (8, 2582008), (11, 1877824), (13, 1588928), (16, 1291004), (22, 938912), (26, 794464), (32, 645502), (37, 558272), (44, 469456), (52, 397232), (61, 338624), (64, 322751), (74, 279136), (88, 234728), (104, 198616), (122, 169312), (143, 144448), (148, 139568), (176, 117364), (208, 99308), (244, 84656), (286, 72224), (296, 69784), (352, 58682), (407, 50752), (416, 49654), (481, 42944), (488, 42328), (572, 36112), (592, 34892), (671, 30784), (704, 29341), (793, 26048), (814, 25376), (832, 24827), (962, 21472), (976, 21164), (1144, 18056), (1184, 17446), (1342, 15392), (1586, 13024), (1628, 12688), (1924, 10736), (1952, 10582), (2257, 9152), (2288, 9028), (2368, 8723), (2684, 7696), (3172, 6512), (3256, 6344), (3848, 5368), (3904, 5291), (4514, 4576)]