20724702992

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1\times {\mathrm{7027}}^1$

素因数の和:8608

約数の個数: 80

約数和(自身を含む): 48628137600

約数和(自身を除く): 27903434608

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1549, 1904, 3098, 6196, 7027, 10843, 12392, 14054, 21686, 24784, 26333, 28108, 43372, 49189, 52666, 56216, 86744, 98378, 105332, 112432, 119459, 173488, 184331, 196756, 210664, 238918, 368662, 393512, 421328, 477836, 737324, 787024, 836213, 955672, 1474648, 1672426, 1911344, 2949296, 3344852, 6689704, 10884823, 13379408, 21769646, 43539292, 76193761, 87078584, 152387522, 174157168, 185041991, 304775044, 370083982, 609550088, 740167964, 1219100176, 1295293937, 1480335928, 2590587874, 2960671856, 5181175748, 10362351496, 20724702992]

約数ペア:

[(1, 20724702992), (2, 10362351496), (4, 5181175748), (7, 2960671856), (8, 2590587874), (14, 1480335928), (16, 1295293937), (17, 1219100176), (28, 740167964), (34, 609550088), (56, 370083982), (68, 304775044), (112, 185041991), (119, 174157168), (136, 152387522), (238, 87078584), (272, 76193761), (476, 43539292), (952, 21769646), (1549, 13379408), (1904, 10884823), (3098, 6689704), (6196, 3344852), (7027, 2949296), (10843, 1911344), (12392, 1672426), (14054, 1474648), (21686, 955672), (24784, 836213), (26333, 787024), (28108, 737324), (43372, 477836), (49189, 421328), (52666, 393512), (56216, 368662), (86744, 238918), (98378, 210664), (105332, 196756), (112432, 184331), (119459, 173488)]