20805216372

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{13441}}^1$

素因数の和:13574

約数の個数: 144

約数和(自身を含む): 57931793920

約数和(自身を除く): 37126577548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 73, 76, 93, 114, 124, 146, 171, 186, 219, 228, 279, 292, 342, 372, 438, 558, 589, 657, 684, 876, 1116, 1178, 1314, 1387, 1767, 2263, 2356, 2628, 2774, 3534, 4161, 4526, 5301, 5548, 6789, 7068, 8322, 9052, 10602, 12483, 13441, 13578, 16644, 20367, 21204, 24966, 26882, 27156, 40323, 40734, 42997, 49932, 53764, 80646, 81468, 85994, 120969, 128991, 161292, 171988, 241938, 255379, 257982, 386973, 416671, 483876, 510758, 515964, 766137, 773946, 833342, 981193, 1021516, 1250013, 1532274, 1547892, 1666684, 1962386, 2298411, 2500026, 2943579, 3064548, 3750039, 3924772, 4596822, 5000052, 5887158, 7500078, 7916749, 8830737, 9193644, 11774316, 15000156, 15833498, 17661474, 18642667, 23750247, 30416983, 31666996, 35322948, 37285334, 47500494, 55928001, 60833966, 71250741, 74570668, 91250949, 95000988, 111856002, 121667932, 142501482, 167784003, 182501898, 223712004, 273752847, 285002964, 335568006, 365003796, 547505694, 577922677, 671136012, 1095011388, 1155845354, 1733768031, 2311690708, 3467536062, 5201304093, 6935072124, 10402608186, 20805216372]

約数ペア:

[(1, 20805216372), (2, 10402608186), (3, 6935072124), (4, 5201304093), (6, 3467536062), (9, 2311690708), (12, 1733768031), (18, 1155845354), (19, 1095011388), (31, 671136012), (36, 577922677), (38, 547505694), (57, 365003796), (62, 335568006), (73, 285002964), (76, 273752847), (93, 223712004), (114, 182501898), (124, 167784003), (146, 142501482), (171, 121667932), (186, 111856002), (219, 95000988), (228, 91250949), (279, 74570668), (292, 71250741), (342, 60833966), (372, 55928001), (438, 47500494), (558, 37285334), (589, 35322948), (657, 31666996), (684, 30416983), (876, 23750247), (1116, 18642667), (1178, 17661474), (1314, 15833498), (1387, 15000156), (1767, 11774316), (2263, 9193644), (2356, 8830737), (2628, 7916749), (2774, 7500078), (3534, 5887158), (4161, 5000052), (4526, 4596822), (5301, 3924772), (5548, 3750039), (6789, 3064548), (7068, 2943579), (8322, 2500026), (9052, 2298411), (10602, 1962386), (12483, 1666684), (13441, 1547892), (13578, 1532274), (16644, 1250013), (20367, 1021516), (21204, 981193), (24966, 833342), (26882, 773946), (27156, 766137), (40323, 515964), (40734, 510758), (42997, 483876), (49932, 416671), (53764, 386973), (80646, 257982), (81468, 255379), (85994, 241938), (120969, 171988), (128991, 161292)]