20551500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4567}}^1$

素因数の和:4592

約数の個数: 72

約数和(自身を含む): 64847328

約数和(自身を除く): 44295828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4567, 9134, 13701, 18268, 22835, 27402, 41103, 45670, 54804, 68505, 82206, 91340, 114175, 137010, 164412, 205515, 228350, 274020, 342525, 411030, 456700, 570875, 685050, 822060, 1027575, 1141750, 1370100, 1712625, 2055150, 2283500, 3425250, 4110300, 5137875, 6850500, 10275750, 20551500]

約数ペア:

[(1, 20551500), (2, 10275750), (3, 6850500), (4, 5137875), (5, 4110300), (6, 3425250), (9, 2283500), (10, 2055150), (12, 1712625), (15, 1370100), (18, 1141750), (20, 1027575), (25, 822060), (30, 685050), (36, 570875), (45, 456700), (50, 411030), (60, 342525), (75, 274020), (90, 228350), (100, 205515), (125, 164412), (150, 137010), (180, 114175), (225, 91340), (250, 82206), (300, 68505), (375, 54804), (450, 45670), (500, 41103), (750, 27402), (900, 22835), (1125, 18268), (1500, 13701), (2250, 9134), (4500, 4567)]