20431944

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 40108536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 263, 312, 332, 468, 498, 526, 664, 747, 789, 936, 996, 1052, 1079, 1494, 1578, 1992, 2104, 2158, 2367, 2988, 3156, 3237, 3419, 4316, 4734, 5976, 6312, 6474, 6838, 8632, 9468, 9711, 10257, 12948, 13676, 18936, 19422, 20514, 21829, 25896, 27352, 30771, 38844, 41028, 43658, 61542, 65487, 77688, 82056, 87316, 123084, 130974, 174632, 196461, 246168, 261948, 283777, 392922, 523896, 567554, 785844, 851331, 1135108, 1571688, 1702662, 2270216, 2553993, 3405324, 5107986, 6810648, 10215972, 20431944]

約数ペア:

[(1, 20431944), (2, 10215972), (3, 6810648), (4, 5107986), (6, 3405324), (8, 2553993), (9, 2270216), (12, 1702662), (13, 1571688), (18, 1135108), (24, 851331), (26, 785844), (36, 567554), (39, 523896), (52, 392922), (72, 283777), (78, 261948), (83, 246168), (104, 196461), (117, 174632), (156, 130974), (166, 123084), (234, 87316), (249, 82056), (263, 77688), (312, 65487), (332, 61542), (468, 43658), (498, 41028), (526, 38844), (664, 30771), (747, 27352), (789, 25896), (936, 21829), (996, 20514), (1052, 19422), (1079, 18936), (1494, 13676), (1578, 12948), (1992, 10257), (2104, 9711), (2158, 9468), (2367, 8632), (2988, 6838), (3156, 6474), (3237, 6312), (3419, 5976), (4316, 4734)]