20199189812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2521}}^1$

素因数の和:2721

約数の個数: 96

約数和(自身を含む): 40268067840

約数和(自身を除く): 20068878028

約数列:

[1, 2, 4, 17, 23, 34, 46, 47, 68, 92, 94, 109, 188, 218, 391, 436, 782, 799, 1081, 1564, 1598, 1853, 2162, 2507, 2521, 3196, 3706, 4324, 5014, 5042, 5123, 7412, 10028, 10084, 10246, 18377, 20492, 36754, 42619, 42857, 57983, 73508, 85238, 85714, 87091, 115966, 117829, 118487, 170476, 171428, 174182, 231932, 235658, 236974, 274789, 348364, 471316, 473948, 549578, 985711, 1099156, 1971422, 2003093, 2014279, 2725201, 3942844, 4006186, 4028558, 4671413, 5450402, 6320147, 8012372, 8057116, 9342826, 10900804, 12640294, 12915083, 18685652, 25280588, 25830166, 46328417, 51660332, 92656834, 107442499, 185313668, 214884998, 219556411, 297046909, 429769996, 439112822, 594093818, 878225644, 1188187636, 5049797453, 10099594906, 20199189812]

約数ペア:

[(1, 20199189812), (2, 10099594906), (4, 5049797453), (17, 1188187636), (23, 878225644), (34, 594093818), (46, 439112822), (47, 429769996), (68, 297046909), (92, 219556411), (94, 214884998), (109, 185313668), (188, 107442499), (218, 92656834), (391, 51660332), (436, 46328417), (782, 25830166), (799, 25280588), (1081, 18685652), (1564, 12915083), (1598, 12640294), (1853, 10900804), (2162, 9342826), (2507, 8057116), (2521, 8012372), (3196, 6320147), (3706, 5450402), (4324, 4671413), (5014, 4028558), (5042, 4006186), (5123, 3942844), (7412, 2725201), (10028, 2014279), (10084, 2003093), (10246, 1971422), (18377, 1099156), (20492, 985711), (36754, 549578), (42619, 473948), (42857, 471316), (57983, 348364), (73508, 274789), (85238, 236974), (85714, 235658), (87091, 231932), (115966, 174182), (117829, 171428), (118487, 170476)]