20674125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 42052608

約数和(自身を除く): 21378483

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 47, 51, 69, 75, 85, 115, 125, 141, 153, 207, 225, 235, 255, 345, 375, 391, 423, 425, 575, 705, 765, 799, 1035, 1081, 1125, 1173, 1175, 1275, 1725, 1955, 2115, 2125, 2397, 2875, 3243, 3519, 3525, 3825, 3995, 5175, 5405, 5865, 5875, 6375, 7191, 8625, 9729, 9775, 10575, 11985, 16215, 17595, 17625, 18377, 19125, 19975, 25875, 27025, 29325, 35955, 48645, 48875, 52875, 55131, 59925, 81075, 87975, 91885, 99875, 135125, 146625, 165393, 179775, 243225, 275655, 299625, 405375, 439875, 459425, 826965, 898875, 1216125, 1378275, 2297125, 4134825, 6891375, 20674125]

約数ペア:

[(1, 20674125), (3, 6891375), (5, 4134825), (9, 2297125), (15, 1378275), (17, 1216125), (23, 898875), (25, 826965), (45, 459425), (47, 439875), (51, 405375), (69, 299625), (75, 275655), (85, 243225), (115, 179775), (125, 165393), (141, 146625), (153, 135125), (207, 99875), (225, 91885), (235, 87975), (255, 81075), (345, 59925), (375, 55131), (391, 52875), (423, 48875), (425, 48645), (575, 35955), (705, 29325), (765, 27025), (799, 25875), (1035, 19975), (1081, 19125), (1125, 18377), (1173, 17625), (1175, 17595), (1275, 16215), (1725, 11985), (1955, 10575), (2115, 9775), (2125, 9729), (2397, 8625), (2875, 7191), (3243, 6375), (3519, 5875), (3525, 5865), (3825, 5405), (3995, 5175)]