20105744648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199193}}^1$

素因数の和:199278

約数の個数: 64

約数和(自身を含む): 43599582720

約数和(自身を除く): 23493838072

約数列:

[1, 2, 4, 8, 11, 22, 31, 37, 44, 62, 74, 88, 124, 148, 248, 296, 341, 407, 682, 814, 1147, 1364, 1628, 2294, 2728, 3256, 4588, 9176, 12617, 25234, 50468, 100936, 199193, 398386, 796772, 1593544, 2191123, 4382246, 6174983, 7370141, 8764492, 12349966, 14740282, 17528984, 24699932, 29480564, 49399864, 58961128, 67924813, 81071551, 135849626, 162143102, 228474371, 271699252, 324286204, 456948742, 543398504, 648572408, 913897484, 1827794968, 2513218081, 5026436162, 10052872324, 20105744648]

約数ペア:

[(1, 20105744648), (2, 10052872324), (4, 5026436162), (8, 2513218081), (11, 1827794968), (22, 913897484), (31, 648572408), (37, 543398504), (44, 456948742), (62, 324286204), (74, 271699252), (88, 228474371), (124, 162143102), (148, 135849626), (248, 81071551), (296, 67924813), (341, 58961128), (407, 49399864), (682, 29480564), (814, 24699932), (1147, 17528984), (1364, 14740282), (1628, 12349966), (2294, 8764492), (2728, 7370141), (3256, 6174983), (4588, 4382246), (9176, 2191123), (12617, 1593544), (25234, 796772), (50468, 398386), (100936, 199193)]