20172875104

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 43806900816

約数和(自身を除く): 23634025712

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 83, 136, 164, 166, 272, 289, 328, 332, 544, 578, 641, 656, 664, 697, 1156, 1282, 1312, 1328, 1394, 1411, 2312, 2564, 2656, 2788, 2822, 3403, 4624, 5128, 5576, 5644, 6806, 9248, 10256, 10897, 11152, 11288, 11849, 13612, 20512, 21794, 22304, 22576, 23698, 23987, 26281, 27224, 43588, 45152, 47396, 47974, 52562, 53203, 54448, 57851, 87176, 94792, 95948, 105124, 106406, 108896, 115702, 174352, 185249, 189584, 191896, 210248, 212812, 231404, 348704, 370498, 379168, 383792, 420496, 425624, 446777, 462808, 740996, 767584, 840992, 851248, 893554, 904451, 925616, 983467, 1481992, 1702496, 1787108, 1808902, 1851232, 1966934, 2181323, 2963984, 3574216, 3617804, 3933868, 4362646, 5927968, 7148432, 7235608, 7595209, 7867736, 8725292, 14296864, 14471216, 15190418, 15375667, 15735472, 17450584, 28942432, 30380836, 30751334, 31470944, 34901168, 37082491, 60761672, 61502668, 69802336, 74164982, 121523344, 123005336, 148329964, 243046688, 246010672, 296659928, 492021344, 593319856, 630402347, 1186639712, 1260804694, 2521609388, 5043218776, 10086437552, 20172875104]

約数ペア:

[(1, 20172875104), (2, 10086437552), (4, 5043218776), (8, 2521609388), (16, 1260804694), (17, 1186639712), (32, 630402347), (34, 593319856), (41, 492021344), (68, 296659928), (82, 246010672), (83, 243046688), (136, 148329964), (164, 123005336), (166, 121523344), (272, 74164982), (289, 69802336), (328, 61502668), (332, 60761672), (544, 37082491), (578, 34901168), (641, 31470944), (656, 30751334), (664, 30380836), (697, 28942432), (1156, 17450584), (1282, 15735472), (1312, 15375667), (1328, 15190418), (1394, 14471216), (1411, 14296864), (2312, 8725292), (2564, 7867736), (2656, 7595209), (2788, 7235608), (2822, 7148432), (3403, 5927968), (4624, 4362646), (5128, 3933868), (5576, 3617804), (5644, 3574216), (6806, 2963984), (9248, 2181323), (10256, 1966934), (10897, 1851232), (11152, 1808902), (11288, 1787108), (11849, 1702496), (13612, 1481992), (20512, 983467), (21794, 925616), (22304, 904451), (22576, 893554), (23698, 851248), (23987, 840992), (26281, 767584), (27224, 740996), (43588, 462808), (45152, 446777), (47396, 425624), (47974, 420496), (52562, 383792), (53203, 379168), (54448, 370498), (57851, 348704), (87176, 231404), (94792, 212812), (95948, 210248), (105124, 191896), (106406, 189584), (108896, 185249), (115702, 174352)]