20042048

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 84

約数和(自身を含む): 46017180

約数和(自身を除く): 25975132

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 109, 136, 169, 208, 218, 221, 272, 338, 416, 436, 442, 544, 676, 832, 872, 884, 1088, 1352, 1417, 1744, 1768, 1853, 2704, 2834, 2873, 3488, 3536, 3706, 5408, 5668, 5746, 6976, 7072, 7412, 10816, 11336, 11492, 14144, 14824, 18421, 22672, 22984, 24089, 29648, 36842, 45344, 45968, 48178, 59296, 73684, 90688, 91936, 96356, 118592, 147368, 183872, 192712, 294736, 313157, 385424, 589472, 626314, 770848, 1178944, 1252628, 1541696, 2505256, 5010512, 10021024, 20042048]

約数ペア:

[(1, 20042048), (2, 10021024), (4, 5010512), (8, 2505256), (13, 1541696), (16, 1252628), (17, 1178944), (26, 770848), (32, 626314), (34, 589472), (52, 385424), (64, 313157), (68, 294736), (104, 192712), (109, 183872), (136, 147368), (169, 118592), (208, 96356), (218, 91936), (221, 90688), (272, 73684), (338, 59296), (416, 48178), (436, 45968), (442, 45344), (544, 36842), (676, 29648), (832, 24089), (872, 22984), (884, 22672), (1088, 18421), (1352, 14824), (1417, 14144), (1744, 11492), (1768, 11336), (1853, 10816), (2704, 7412), (2834, 7072), (2873, 6976), (3488, 5746), (3536, 5668), (3706, 5408)]