20163562155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1\times {\mathrm{577}}^1$

素因数の和:1137

約数の個数: 96

約数和(自身を含む): 38485145088

約数和(自身を除く): 18321582933

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 227, 311, 495, 577, 681, 933, 1135, 1555, 1731, 2043, 2497, 2799, 2885, 3405, 3421, 4665, 5193, 6347, 7491, 8655, 10215, 10263, 12485, 13995, 17105, 19041, 22473, 25965, 30789, 31735, 37455, 51315, 57123, 70597, 95205, 112365, 130979, 153945, 179447, 211791, 285615, 352985, 392937, 538341, 635373, 654895, 776567, 897235, 1058955, 1178811, 1440769, 1615023, 1964685, 1973917, 2329701, 2691705, 3176865, 3882835, 4322307, 5894055, 5921751, 6989103, 7203845, 8075115, 9869585, 11648505, 12966921, 17765253, 21611535, 29608755, 34945515, 40734469, 64834605, 88826265, 122203407, 203672345, 366610221, 448079159, 611017035, 1344237477, 1833051105, 2240395795, 4032712431, 6721187385, 20163562155]

約数ペア:

[(1, 20163562155), (3, 6721187385), (5, 4032712431), (9, 2240395795), (11, 1833051105), (15, 1344237477), (33, 611017035), (45, 448079159), (55, 366610221), (99, 203672345), (165, 122203407), (227, 88826265), (311, 64834605), (495, 40734469), (577, 34945515), (681, 29608755), (933, 21611535), (1135, 17765253), (1555, 12966921), (1731, 11648505), (2043, 9869585), (2497, 8075115), (2799, 7203845), (2885, 6989103), (3405, 5921751), (3421, 5894055), (4665, 4322307), (5193, 3882835), (6347, 3176865), (7491, 2691705), (8655, 2329701), (10215, 1973917), (10263, 1964685), (12485, 1615023), (13995, 1440769), (17105, 1178811), (19041, 1058955), (22473, 897235), (25965, 776567), (30789, 654895), (31735, 635373), (37455, 538341), (51315, 392937), (57123, 352985), (70597, 285615), (95205, 211791), (112365, 179447), (130979, 153945)]