20234940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 68124672

約数和(自身を除く): 47889732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 31, 33, 43, 44, 46, 55, 60, 62, 66, 69, 86, 92, 93, 110, 115, 124, 129, 132, 138, 155, 165, 172, 186, 215, 220, 230, 253, 258, 276, 310, 330, 341, 345, 372, 430, 460, 465, 473, 506, 516, 620, 645, 660, 682, 690, 713, 759, 860, 930, 946, 989, 1012, 1023, 1265, 1290, 1333, 1364, 1380, 1419, 1426, 1518, 1705, 1860, 1892, 1978, 2046, 2139, 2365, 2530, 2580, 2666, 2838, 2852, 2967, 3036, 3410, 3565, 3795, 3956, 3999, 4092, 4278, 4730, 4945, 5060, 5115, 5332, 5676, 5934, 6665, 6820, 7095, 7130, 7590, 7843, 7998, 8556, 9460, 9890, 10230, 10695, 10879, 11868, 13330, 14190, 14260, 14663, 14835, 15180, 15686, 15996, 19780, 19995, 20460, 21390, 21758, 23529, 26660, 28380, 29326, 29670, 30659, 31372, 32637, 39215, 39990, 42780, 43516, 43989, 47058, 54395, 58652, 59340, 61318, 65274, 73315, 78430, 79980, 87978, 91977, 94116, 108790, 117645, 122636, 130548, 146630, 153295, 156860, 163185, 175956, 183954, 217580, 219945, 235290, 293260, 306590, 326370, 337249, 367908, 439890, 459885, 470580, 613180, 652740, 674498, 879780, 919770, 1011747, 1348996, 1686245, 1839540, 2023494, 3372490, 4046988, 5058735, 6744980, 10117470, 20234940]

約数ペア:

[(1, 20234940), (2, 10117470), (3, 6744980), (4, 5058735), (5, 4046988), (6, 3372490), (10, 2023494), (11, 1839540), (12, 1686245), (15, 1348996), (20, 1011747), (22, 919770), (23, 879780), (30, 674498), (31, 652740), (33, 613180), (43, 470580), (44, 459885), (46, 439890), (55, 367908), (60, 337249), (62, 326370), (66, 306590), (69, 293260), (86, 235290), (92, 219945), (93, 217580), (110, 183954), (115, 175956), (124, 163185), (129, 156860), (132, 153295), (138, 146630), (155, 130548), (165, 122636), (172, 117645), (186, 108790), (215, 94116), (220, 91977), (230, 87978), (253, 79980), (258, 78430), (276, 73315), (310, 65274), (330, 61318), (341, 59340), (345, 58652), (372, 54395), (430, 47058), (460, 43989), (465, 43516), (473, 42780), (506, 39990), (516, 39215), (620, 32637), (645, 31372), (660, 30659), (682, 29670), (690, 29326), (713, 28380), (759, 26660), (860, 23529), (930, 21758), (946, 21390), (989, 20460), (1012, 19995), (1023, 19780), (1265, 15996), (1290, 15686), (1333, 15180), (1364, 14835), (1380, 14663), (1419, 14260), (1426, 14190), (1518, 13330), (1705, 11868), (1860, 10879), (1892, 10695), (1978, 10230), (2046, 9890), (2139, 9460), (2365, 8556), (2530, 7998), (2580, 7843), (2666, 7590), (2838, 7130), (2852, 7095), (2967, 6820), (3036, 6665), (3410, 5934), (3565, 5676), (3795, 5332), (3956, 5115), (3999, 5060), (4092, 4945), (4278, 4730)]