20156568156

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1132

約数の個数: 144

約数和(自身を含む): 53534976768

約数和(自身を除く): 33378408612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 401, 438, 558, 617, 657, 802, 876, 1116, 1203, 1234, 1314, 1604, 1851, 2263, 2406, 2468, 2628, 3609, 3702, 4526, 4812, 5553, 6789, 7218, 7404, 9052, 11106, 12431, 13578, 14436, 19127, 20367, 22212, 24862, 27156, 29273, 37293, 38254, 40734, 45041, 49724, 57381, 58546, 74586, 76508, 81468, 87819, 90082, 111879, 114762, 117092, 135123, 149172, 172143, 175638, 180164, 223758, 229524, 247417, 263457, 270246, 344286, 351276, 405369, 447516, 494834, 526914, 540492, 688572, 742251, 810738, 907463, 989668, 1053828, 1396271, 1484502, 1621476, 1814926, 2226753, 2722389, 2792542, 2969004, 3629852, 4188813, 4453506, 5444778, 5585084, 7669927, 8167167, 8377626, 8907012, 10889556, 12566439, 15339854, 16334334, 16755252, 18061441, 23009781, 25132878, 30679708, 32668668, 36122882, 46019562, 50265756, 54184323, 69029343, 72245764, 92039124, 108368646, 138058686, 162552969, 216737292, 276117372, 325105938, 559904671, 650211876, 1119809342, 1679714013, 2239618684, 3359428026, 5039142039, 6718856052, 10078284078, 20156568156]

約数ペア:

[(1, 20156568156), (2, 10078284078), (3, 6718856052), (4, 5039142039), (6, 3359428026), (9, 2239618684), (12, 1679714013), (18, 1119809342), (31, 650211876), (36, 559904671), (62, 325105938), (73, 276117372), (93, 216737292), (124, 162552969), (146, 138058686), (186, 108368646), (219, 92039124), (279, 72245764), (292, 69029343), (372, 54184323), (401, 50265756), (438, 46019562), (558, 36122882), (617, 32668668), (657, 30679708), (802, 25132878), (876, 23009781), (1116, 18061441), (1203, 16755252), (1234, 16334334), (1314, 15339854), (1604, 12566439), (1851, 10889556), (2263, 8907012), (2406, 8377626), (2468, 8167167), (2628, 7669927), (3609, 5585084), (3702, 5444778), (4526, 4453506), (4812, 4188813), (5553, 3629852), (6789, 2969004), (7218, 2792542), (7404, 2722389), (9052, 2226753), (11106, 1814926), (12431, 1621476), (13578, 1484502), (14436, 1396271), (19127, 1053828), (20367, 989668), (22212, 907463), (24862, 810738), (27156, 742251), (29273, 688572), (37293, 540492), (38254, 526914), (40734, 494834), (45041, 447516), (49724, 405369), (57381, 351276), (58546, 344286), (74586, 270246), (76508, 263457), (81468, 247417), (87819, 229524), (90082, 223758), (111879, 180164), (114762, 175638), (117092, 172143), (135123, 149172)]