20617974

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 52363584

約数和(自身を除く): 31745610

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 71, 73, 78, 102, 117, 142, 146, 153, 213, 219, 221, 234, 306, 426, 438, 442, 639, 657, 663, 923, 949, 1207, 1241, 1278, 1314, 1326, 1846, 1898, 1989, 2414, 2482, 2769, 2847, 3621, 3723, 3978, 5183, 5538, 5694, 7242, 7446, 8307, 8541, 10366, 10863, 11169, 15549, 15691, 16133, 16614, 17082, 21726, 22338, 31098, 31382, 32266, 46647, 47073, 48399, 67379, 88111, 93294, 94146, 96798, 134758, 141219, 145197, 176222, 202137, 264333, 282438, 290394, 404274, 528666, 606411, 792999, 1145443, 1212822, 1585998, 2290886, 3436329, 6872658, 10308987, 20617974]

約数ペア:

[(1, 20617974), (2, 10308987), (3, 6872658), (6, 3436329), (9, 2290886), (13, 1585998), (17, 1212822), (18, 1145443), (26, 792999), (34, 606411), (39, 528666), (51, 404274), (71, 290394), (73, 282438), (78, 264333), (102, 202137), (117, 176222), (142, 145197), (146, 141219), (153, 134758), (213, 96798), (219, 94146), (221, 93294), (234, 88111), (306, 67379), (426, 48399), (438, 47073), (442, 46647), (639, 32266), (657, 31382), (663, 31098), (923, 22338), (949, 21726), (1207, 17082), (1241, 16614), (1278, 16133), (1314, 15691), (1326, 15549), (1846, 11169), (1898, 10863), (1989, 10366), (2414, 8541), (2482, 8307), (2769, 7446), (2847, 7242), (3621, 5694), (3723, 5538), (3978, 5183)]