20028064

素因数分解:

$2^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 46927188

約数和(自身を除く): 26899124

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 241, 371, 392, 424, 482, 742, 784, 848, 964, 1484, 1568, 1687, 1696, 1928, 2597, 2968, 3374, 3856, 5194, 5936, 6748, 7712, 10388, 11809, 11872, 12773, 13496, 20776, 23618, 25546, 26992, 41552, 47236, 51092, 53984, 83104, 89411, 94472, 102184, 178822, 188944, 204368, 357644, 377888, 408736, 625877, 715288, 1251754, 1430576, 2503508, 2861152, 5007016, 10014032, 20028064]

約数ペア:

[(1, 20028064), (2, 10014032), (4, 5007016), (7, 2861152), (8, 2503508), (14, 1430576), (16, 1251754), (28, 715288), (32, 625877), (49, 408736), (53, 377888), (56, 357644), (98, 204368), (106, 188944), (112, 178822), (196, 102184), (212, 94472), (224, 89411), (241, 83104), (371, 53984), (392, 51092), (424, 47236), (482, 41552), (742, 26992), (784, 25546), (848, 23618), (964, 20776), (1484, 13496), (1568, 12773), (1687, 11872), (1696, 11809), (1928, 10388), (2597, 7712), (2968, 6748), (3374, 5936), (3856, 5194)]