20162816

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 44040024

約数和(自身を除く): 23877208

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 113, 128, 136, 164, 226, 256, 272, 328, 452, 544, 656, 697, 904, 1088, 1312, 1394, 1808, 1921, 2176, 2624, 2788, 3616, 3842, 4352, 4633, 5248, 5576, 7232, 7684, 9266, 10496, 11152, 14464, 15368, 18532, 22304, 28928, 30736, 37064, 44608, 61472, 74128, 78761, 89216, 122944, 148256, 157522, 178432, 245888, 296512, 315044, 491776, 593024, 630088, 1186048, 1260176, 2520352, 5040704, 10081408, 20162816]

約数ペア:

[(1, 20162816), (2, 10081408), (4, 5040704), (8, 2520352), (16, 1260176), (17, 1186048), (32, 630088), (34, 593024), (41, 491776), (64, 315044), (68, 296512), (82, 245888), (113, 178432), (128, 157522), (136, 148256), (164, 122944), (226, 89216), (256, 78761), (272, 74128), (328, 61472), (452, 44608), (544, 37064), (656, 30736), (697, 28928), (904, 22304), (1088, 18532), (1312, 15368), (1394, 14464), (1808, 11152), (1921, 10496), (2176, 9266), (2624, 7684), (2788, 7232), (3616, 5576), (3842, 5248), (4352, 4633)]