20791868510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1\times {\mathrm{3631}}^1$

素因数の和:4281

約数の個数: 64

約数和(自身を含む): 43116779520

約数和(自身を除く): 22324911010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 457, 895, 914, 1253, 1790, 2285, 2506, 3199, 3631, 4570, 6265, 6398, 7262, 12530, 15995, 18155, 25417, 31990, 36310, 50834, 81803, 127085, 163606, 254170, 409015, 572621, 649949, 818030, 1145242, 1299898, 1659367, 2863105, 3249745, 3318734, 4549643, 5726210, 6499490, 8296835, 9099286, 11615569, 16593670, 22748215, 23231138, 45496430, 58077845, 116155690, 297026693, 594053386, 1485133465, 2079186851, 2970266930, 4158373702, 10395934255, 20791868510]

約数ペア:

[(1, 20791868510), (2, 10395934255), (5, 4158373702), (7, 2970266930), (10, 2079186851), (14, 1485133465), (35, 594053386), (70, 297026693), (179, 116155690), (358, 58077845), (457, 45496430), (895, 23231138), (914, 22748215), (1253, 16593670), (1790, 11615569), (2285, 9099286), (2506, 8296835), (3199, 6499490), (3631, 5726210), (4570, 4549643), (6265, 3318734), (6398, 3249745), (7262, 2863105), (12530, 1659367), (15995, 1299898), (18155, 1145242), (25417, 818030), (31990, 649949), (36310, 572621), (50834, 409015), (81803, 254170), (127085, 163606)]