20377836

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 33676164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 131, 149, 174, 261, 262, 298, 348, 393, 447, 522, 524, 596, 786, 894, 1044, 1179, 1341, 1572, 1788, 2358, 2682, 3799, 4321, 4716, 5364, 7598, 8642, 11397, 12963, 15196, 17284, 19519, 22794, 25926, 34191, 38889, 39038, 45588, 51852, 58557, 68382, 77778, 78076, 117114, 136764, 155556, 175671, 234228, 351342, 566051, 702684, 1132102, 1698153, 2264204, 3396306, 5094459, 6792612, 10188918, 20377836]

約数ペア:

[(1, 20377836), (2, 10188918), (3, 6792612), (4, 5094459), (6, 3396306), (9, 2264204), (12, 1698153), (18, 1132102), (29, 702684), (36, 566051), (58, 351342), (87, 234228), (116, 175671), (131, 155556), (149, 136764), (174, 117114), (261, 78076), (262, 77778), (298, 68382), (348, 58557), (393, 51852), (447, 45588), (522, 39038), (524, 38889), (596, 34191), (786, 25926), (894, 22794), (1044, 19519), (1179, 17284), (1341, 15196), (1572, 12963), (1788, 11397), (2358, 8642), (2682, 7598), (3799, 5364), (4321, 4716)]