20789232

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 57808800

約数和(自身を除く): 37019568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 73, 102, 136, 146, 204, 219, 272, 292, 349, 408, 438, 584, 698, 816, 876, 1047, 1168, 1241, 1396, 1752, 2094, 2482, 2792, 3504, 3723, 4188, 4964, 5584, 5933, 7446, 8376, 9928, 11866, 14892, 16752, 17799, 19856, 23732, 25477, 29784, 35598, 47464, 50954, 59568, 71196, 76431, 94928, 101908, 142392, 152862, 203816, 284784, 305724, 407632, 433109, 611448, 866218, 1222896, 1299327, 1732436, 2598654, 3464872, 5197308, 6929744, 10394616, 20789232]

約数ペア:

[(1, 20789232), (2, 10394616), (3, 6929744), (4, 5197308), (6, 3464872), (8, 2598654), (12, 1732436), (16, 1299327), (17, 1222896), (24, 866218), (34, 611448), (48, 433109), (51, 407632), (68, 305724), (73, 284784), (102, 203816), (136, 152862), (146, 142392), (204, 101908), (219, 94928), (272, 76431), (292, 71196), (349, 59568), (408, 50954), (438, 47464), (584, 35598), (698, 29784), (816, 25477), (876, 23732), (1047, 19856), (1168, 17799), (1241, 16752), (1396, 14892), (1752, 11866), (2094, 9928), (2482, 8376), (2792, 7446), (3504, 5933), (3723, 5584), (4188, 4964)]