20075776

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 48565440

約数和(自身を除く): 28489664

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 659, 896, 952, 1088, 1318, 1792, 1904, 2176, 2636, 3808, 4352, 4613, 5272, 7616, 9226, 10544, 11203, 15232, 18452, 21088, 22406, 30464, 36904, 42176, 44812, 73808, 78421, 84352, 89624, 147616, 156842, 168704, 179248, 295232, 313684, 358496, 590464, 627368, 716992, 1180928, 1254736, 1433984, 2509472, 2867968, 5018944, 10037888, 20075776]

約数ペア:

[(1, 20075776), (2, 10037888), (4, 5018944), (7, 2867968), (8, 2509472), (14, 1433984), (16, 1254736), (17, 1180928), (28, 716992), (32, 627368), (34, 590464), (56, 358496), (64, 313684), (68, 295232), (112, 179248), (119, 168704), (128, 156842), (136, 147616), (224, 89624), (238, 84352), (256, 78421), (272, 73808), (448, 44812), (476, 42176), (544, 36904), (659, 30464), (896, 22406), (952, 21088), (1088, 18452), (1318, 15232), (1792, 11203), (1904, 10544), (2176, 9226), (2636, 7616), (3808, 5272), (4352, 4613)]