20786096758

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{3911}}^1$

素因数の和:4237

約数の個数: 64

約数和(自身を含む): 38247717888

約数和(自身を除く): 17461621130

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 163, 238, 274, 326, 959, 1141, 1918, 2282, 2329, 2771, 3911, 4658, 5542, 7822, 16303, 19397, 22331, 27377, 32606, 38794, 44662, 54754, 66487, 132974, 156317, 312634, 379627, 465409, 535807, 637493, 759254, 930818, 1071614, 1274986, 2657389, 3750649, 4462451, 5314778, 7501298, 8924902, 9108719, 10837381, 18217438, 21674762, 63761033, 75861667, 87336541, 127522066, 151723334, 174673082, 611355787, 1222711574, 1484721197, 2969442394, 10393048379, 20786096758]

約数ペア:

[(1, 20786096758), (2, 10393048379), (7, 2969442394), (14, 1484721197), (17, 1222711574), (34, 611355787), (119, 174673082), (137, 151723334), (163, 127522066), (238, 87336541), (274, 75861667), (326, 63761033), (959, 21674762), (1141, 18217438), (1918, 10837381), (2282, 9108719), (2329, 8924902), (2771, 7501298), (3911, 5314778), (4658, 4462451), (5542, 3750649), (7822, 2657389), (16303, 1274986), (19397, 1071614), (22331, 930818), (27377, 759254), (32606, 637493), (38794, 535807), (44662, 465409), (54754, 379627), (66487, 312634), (132974, 156317)]