20673380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 55055616

約数和(自身を除く): 34382236

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 307, 364, 370, 455, 481, 518, 614, 740, 910, 962, 1036, 1228, 1295, 1535, 1820, 1924, 2149, 2405, 2590, 3070, 3367, 3991, 4298, 4810, 5180, 6140, 6734, 7982, 8596, 9620, 10745, 11359, 13468, 15964, 16835, 19955, 21490, 22718, 27937, 33670, 39910, 42980, 45436, 55874, 56795, 67340, 79513, 79820, 111748, 113590, 139685, 147667, 159026, 227180, 279370, 295334, 318052, 397565, 558740, 590668, 738335, 795130, 1033669, 1476670, 1590260, 2067338, 2953340, 4134676, 5168345, 10336690, 20673380]

約数ペア:

[(1, 20673380), (2, 10336690), (4, 5168345), (5, 4134676), (7, 2953340), (10, 2067338), (13, 1590260), (14, 1476670), (20, 1033669), (26, 795130), (28, 738335), (35, 590668), (37, 558740), (52, 397565), (65, 318052), (70, 295334), (74, 279370), (91, 227180), (130, 159026), (140, 147667), (148, 139685), (182, 113590), (185, 111748), (259, 79820), (260, 79513), (307, 67340), (364, 56795), (370, 55874), (455, 45436), (481, 42980), (518, 39910), (614, 33670), (740, 27937), (910, 22718), (962, 21490), (1036, 19955), (1228, 16835), (1295, 15964), (1535, 13468), (1820, 11359), (1924, 10745), (2149, 9620), (2405, 8596), (2590, 7982), (3070, 6734), (3367, 6140), (3991, 5180), (4298, 4810)]