20876625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 47114496

約数和(自身を除く): 26237871

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 125, 165, 175, 225, 231, 241, 275, 315, 375, 385, 495, 525, 693, 723, 825, 875, 1125, 1155, 1205, 1375, 1575, 1687, 1925, 2169, 2475, 2625, 2651, 3465, 3615, 4125, 5061, 5775, 6025, 7875, 7953, 8435, 9625, 10845, 12375, 13255, 15183, 17325, 18075, 18557, 23859, 25305, 28875, 30125, 39765, 42175, 54225, 55671, 66275, 75915, 86625, 90375, 92785, 119295, 126525, 167013, 198825, 210875, 271125, 278355, 331375, 379575, 463925, 596475, 632625, 835065, 994125, 1391775, 1897875, 2319625, 2982375, 4175325, 6958875, 20876625]

約数ペア:

[(1, 20876625), (3, 6958875), (5, 4175325), (7, 2982375), (9, 2319625), (11, 1897875), (15, 1391775), (21, 994125), (25, 835065), (33, 632625), (35, 596475), (45, 463925), (55, 379575), (63, 331375), (75, 278355), (77, 271125), (99, 210875), (105, 198825), (125, 167013), (165, 126525), (175, 119295), (225, 92785), (231, 90375), (241, 86625), (275, 75915), (315, 66275), (375, 55671), (385, 54225), (495, 42175), (525, 39765), (693, 30125), (723, 28875), (825, 25305), (875, 23859), (1125, 18557), (1155, 18075), (1205, 17325), (1375, 15183), (1575, 13255), (1687, 12375), (1925, 10845), (2169, 9625), (2475, 8435), (2625, 7953), (2651, 7875), (3465, 6025), (3615, 5775), (4125, 5061)]