20996592

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 35999760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 47, 48, 82, 94, 123, 141, 164, 188, 227, 246, 282, 328, 376, 454, 492, 564, 656, 681, 752, 908, 984, 1128, 1362, 1816, 1927, 1968, 2256, 2724, 3632, 3854, 5448, 5781, 7708, 9307, 10669, 10896, 11562, 15416, 18614, 21338, 23124, 27921, 30832, 32007, 37228, 42676, 46248, 55842, 64014, 74456, 85352, 92496, 111684, 128028, 148912, 170704, 223368, 256056, 437429, 446736, 512112, 874858, 1312287, 1749716, 2624574, 3499432, 5249148, 6998864, 10498296, 20996592]

約数ペア:

[(1, 20996592), (2, 10498296), (3, 6998864), (4, 5249148), (6, 3499432), (8, 2624574), (12, 1749716), (16, 1312287), (24, 874858), (41, 512112), (47, 446736), (48, 437429), (82, 256056), (94, 223368), (123, 170704), (141, 148912), (164, 128028), (188, 111684), (227, 92496), (246, 85352), (282, 74456), (328, 64014), (376, 55842), (454, 46248), (492, 42676), (564, 37228), (656, 32007), (681, 30832), (752, 27921), (908, 23124), (984, 21338), (1128, 18614), (1362, 15416), (1816, 11562), (1927, 10896), (1968, 10669), (2256, 9307), (2724, 7708), (3632, 5781), (3854, 5448)]