20375316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 108

約数和(自身を含む): 59351292

約数和(自身を除く): 38975976

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 169, 197, 204, 221, 234, 306, 338, 394, 442, 468, 507, 591, 612, 663, 676, 788, 884, 1014, 1182, 1326, 1521, 1773, 1989, 2028, 2364, 2561, 2652, 2873, 3042, 3349, 3546, 3978, 5122, 5746, 6084, 6698, 7092, 7683, 7956, 8619, 10047, 10244, 11492, 13396, 15366, 17238, 20094, 23049, 25857, 30141, 30732, 33293, 34476, 40188, 43537, 46098, 51714, 60282, 66586, 87074, 92196, 99879, 103428, 120564, 130611, 133172, 174148, 199758, 261222, 299637, 391833, 399516, 522444, 565981, 599274, 783666, 1131962, 1198548, 1567332, 1697943, 2263924, 3395886, 5093829, 6791772, 10187658, 20375316]

約数ペア:

[(1, 20375316), (2, 10187658), (3, 6791772), (4, 5093829), (6, 3395886), (9, 2263924), (12, 1697943), (13, 1567332), (17, 1198548), (18, 1131962), (26, 783666), (34, 599274), (36, 565981), (39, 522444), (51, 399516), (52, 391833), (68, 299637), (78, 261222), (102, 199758), (117, 174148), (153, 133172), (156, 130611), (169, 120564), (197, 103428), (204, 99879), (221, 92196), (234, 87074), (306, 66586), (338, 60282), (394, 51714), (442, 46098), (468, 43537), (507, 40188), (591, 34476), (612, 33293), (663, 30732), (676, 30141), (788, 25857), (884, 23049), (1014, 20094), (1182, 17238), (1326, 15366), (1521, 13396), (1773, 11492), (1989, 10244), (2028, 10047), (2364, 8619), (2561, 7956), (2652, 7683), (2873, 7092), (3042, 6698), (3349, 6084), (3546, 5746), (3978, 5122)]