20355456

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 60710400

約数和(自身を除く): 40354944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 61, 64, 66, 79, 88, 96, 122, 128, 132, 158, 176, 183, 192, 237, 244, 264, 316, 352, 366, 384, 474, 488, 528, 632, 671, 704, 732, 869, 948, 976, 1056, 1264, 1342, 1408, 1464, 1738, 1896, 1952, 2013, 2112, 2528, 2607, 2684, 2928, 3476, 3792, 3904, 4026, 4224, 4819, 5056, 5214, 5368, 5856, 6952, 7584, 7808, 8052, 9638, 10112, 10428, 10736, 11712, 13904, 14457, 15168, 16104, 19276, 20856, 21472, 23424, 27808, 28914, 30336, 32208, 38552, 41712, 42944, 53009, 55616, 57828, 64416, 77104, 83424, 85888, 106018, 111232, 115656, 128832, 154208, 159027, 166848, 212036, 231312, 257664, 308416, 318054, 333696, 424072, 462624, 616832, 636108, 848144, 925248, 1272216, 1696288, 1850496, 2544432, 3392576, 5088864, 6785152, 10177728, 20355456]

約数ペア:

[(1, 20355456), (2, 10177728), (3, 6785152), (4, 5088864), (6, 3392576), (8, 2544432), (11, 1850496), (12, 1696288), (16, 1272216), (22, 925248), (24, 848144), (32, 636108), (33, 616832), (44, 462624), (48, 424072), (61, 333696), (64, 318054), (66, 308416), (79, 257664), (88, 231312), (96, 212036), (122, 166848), (128, 159027), (132, 154208), (158, 128832), (176, 115656), (183, 111232), (192, 106018), (237, 85888), (244, 83424), (264, 77104), (316, 64416), (352, 57828), (366, 55616), (384, 53009), (474, 42944), (488, 41712), (528, 38552), (632, 32208), (671, 30336), (704, 28914), (732, 27808), (869, 23424), (948, 21472), (976, 20856), (1056, 19276), (1264, 16104), (1342, 15168), (1408, 14457), (1464, 13904), (1738, 11712), (1896, 10736), (1952, 10428), (2013, 10112), (2112, 9638), (2528, 8052), (2607, 7808), (2684, 7584), (2928, 6952), (3476, 5856), (3792, 5368), (3904, 5214), (4026, 5056), (4224, 4819)]