20444112

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 62919584

約数和(自身を除く): 42475472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 67, 72, 78, 104, 117, 134, 144, 156, 163, 201, 208, 234, 268, 312, 326, 402, 468, 489, 536, 603, 624, 652, 804, 871, 936, 978, 1072, 1206, 1304, 1467, 1608, 1742, 1872, 1956, 2119, 2412, 2608, 2613, 2934, 3216, 3484, 3912, 4238, 4824, 5226, 5868, 6357, 6968, 7824, 7839, 8476, 9648, 10452, 10921, 11736, 12714, 13936, 15678, 16952, 19071, 20904, 21842, 23472, 25428, 31356, 32763, 33904, 38142, 41808, 43684, 50856, 62712, 65526, 76284, 87368, 98289, 101712, 125424, 131052, 141973, 152568, 174736, 196578, 262104, 283946, 305136, 393156, 425919, 524208, 567892, 786312, 851838, 1135784, 1277757, 1572624, 1703676, 2271568, 2555514, 3407352, 5111028, 6814704, 10222056, 20444112]

約数ペア:

[(1, 20444112), (2, 10222056), (3, 6814704), (4, 5111028), (6, 3407352), (8, 2555514), (9, 2271568), (12, 1703676), (13, 1572624), (16, 1277757), (18, 1135784), (24, 851838), (26, 786312), (36, 567892), (39, 524208), (48, 425919), (52, 393156), (67, 305136), (72, 283946), (78, 262104), (104, 196578), (117, 174736), (134, 152568), (144, 141973), (156, 131052), (163, 125424), (201, 101712), (208, 98289), (234, 87368), (268, 76284), (312, 65526), (326, 62712), (402, 50856), (468, 43684), (489, 41808), (536, 38142), (603, 33904), (624, 32763), (652, 31356), (804, 25428), (871, 23472), (936, 21842), (978, 20904), (1072, 19071), (1206, 16952), (1304, 15678), (1467, 13936), (1608, 12714), (1742, 11736), (1872, 10921), (1956, 10452), (2119, 9648), (2412, 8476), (2608, 7839), (2613, 7824), (2934, 6968), (3216, 6357), (3484, 5868), (3912, 5226), (4238, 4824)]