20744556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 59673600

約数和(自身を除く): 38929044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 73, 84, 102, 119, 146, 199, 204, 219, 238, 292, 357, 398, 438, 476, 511, 597, 714, 796, 876, 1022, 1194, 1241, 1393, 1428, 1533, 2044, 2388, 2482, 2786, 3066, 3383, 3723, 4179, 4964, 5572, 6132, 6766, 7446, 8358, 8687, 10149, 13532, 14527, 14892, 16716, 17374, 20298, 23681, 26061, 29054, 34748, 40596, 43581, 47362, 52122, 58108, 71043, 87162, 94724, 101689, 104244, 142086, 174324, 203378, 246959, 284172, 305067, 406756, 493918, 610134, 740877, 987836, 1220268, 1481754, 1728713, 2963508, 3457426, 5186139, 6914852, 10372278, 20744556]

約数ペア:

[(1, 20744556), (2, 10372278), (3, 6914852), (4, 5186139), (6, 3457426), (7, 2963508), (12, 1728713), (14, 1481754), (17, 1220268), (21, 987836), (28, 740877), (34, 610134), (42, 493918), (51, 406756), (68, 305067), (73, 284172), (84, 246959), (102, 203378), (119, 174324), (146, 142086), (199, 104244), (204, 101689), (219, 94724), (238, 87162), (292, 71043), (357, 58108), (398, 52122), (438, 47362), (476, 43581), (511, 40596), (597, 34748), (714, 29054), (796, 26061), (876, 23681), (1022, 20298), (1194, 17374), (1241, 16716), (1393, 14892), (1428, 14527), (1533, 13532), (2044, 10149), (2388, 8687), (2482, 8358), (2786, 7446), (3066, 6766), (3383, 6132), (3723, 5572), (4179, 4964)]