20973330

素因数分解:

$2^1\times 3^7\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 65180160

約数和(自身を除く): 44206830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 137, 162, 189, 210, 243, 270, 274, 315, 378, 405, 411, 486, 567, 630, 685, 729, 810, 822, 945, 959, 1134, 1215, 1233, 1370, 1458, 1701, 1890, 1918, 2055, 2187, 2430, 2466, 2835, 2877, 3402, 3645, 3699, 4110, 4374, 4795, 5103, 5670, 5754, 6165, 7290, 7398, 8505, 8631, 9590, 10206, 10935, 11097, 12330, 14385, 15309, 17010, 17262, 18495, 21870, 22194, 25515, 25893, 28770, 30618, 33291, 36990, 43155, 51030, 51786, 55485, 66582, 76545, 77679, 86310, 99873, 110970, 129465, 153090, 155358, 166455, 199746, 233037, 258930, 299619, 332910, 388395, 466074, 499365, 599238, 699111, 776790, 998730, 1165185, 1398222, 1498095, 2097333, 2330370, 2996190, 3495555, 4194666, 6991110, 10486665, 20973330]

約数ペア:

[(1, 20973330), (2, 10486665), (3, 6991110), (5, 4194666), (6, 3495555), (7, 2996190), (9, 2330370), (10, 2097333), (14, 1498095), (15, 1398222), (18, 1165185), (21, 998730), (27, 776790), (30, 699111), (35, 599238), (42, 499365), (45, 466074), (54, 388395), (63, 332910), (70, 299619), (81, 258930), (90, 233037), (105, 199746), (126, 166455), (135, 155358), (137, 153090), (162, 129465), (189, 110970), (210, 99873), (243, 86310), (270, 77679), (274, 76545), (315, 66582), (378, 55485), (405, 51786), (411, 51030), (486, 43155), (567, 36990), (630, 33291), (685, 30618), (729, 28770), (810, 25893), (822, 25515), (945, 22194), (959, 21870), (1134, 18495), (1215, 17262), (1233, 17010), (1370, 15309), (1458, 14385), (1701, 12330), (1890, 11097), (1918, 10935), (2055, 10206), (2187, 9590), (2430, 8631), (2466, 8505), (2835, 7398), (2877, 7290), (3402, 6165), (3645, 5754), (3699, 5670), (4110, 5103), (4374, 4795)]