20123289756

素因数分解:

$2^2\times 3^6\times {\mathrm{61}}^1\times {\mathrm{113131}}^1$

素因数の和:113214

約数の個数: 84

約数和(自身を含む): 53665521784

約数和(自身を除く): 33542232028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 366, 486, 549, 729, 732, 972, 1098, 1458, 1647, 2196, 2916, 3294, 4941, 6588, 9882, 14823, 19764, 29646, 44469, 59292, 88938, 113131, 177876, 226262, 339393, 452524, 678786, 1018179, 1357572, 2036358, 3054537, 4072716, 6109074, 6900991, 9163611, 12218148, 13801982, 18327222, 20702973, 27490833, 27603964, 36654444, 41405946, 54981666, 62108919, 82472499, 82811892, 109963332, 124217838, 164944998, 186326757, 248435676, 329889996, 372653514, 558980271, 745307028, 1117960542, 1676940813, 2235921084, 3353881626, 5030822439, 6707763252, 10061644878, 20123289756]

約数ペア:

[(1, 20123289756), (2, 10061644878), (3, 6707763252), (4, 5030822439), (6, 3353881626), (9, 2235921084), (12, 1676940813), (18, 1117960542), (27, 745307028), (36, 558980271), (54, 372653514), (61, 329889996), (81, 248435676), (108, 186326757), (122, 164944998), (162, 124217838), (183, 109963332), (243, 82811892), (244, 82472499), (324, 62108919), (366, 54981666), (486, 41405946), (549, 36654444), (729, 27603964), (732, 27490833), (972, 20702973), (1098, 18327222), (1458, 13801982), (1647, 12218148), (2196, 9163611), (2916, 6900991), (3294, 6109074), (4941, 4072716), (6588, 3054537), (9882, 2036358), (14823, 1357572), (19764, 1018179), (29646, 678786), (44469, 452524), (59292, 339393), (88938, 226262), (113131, 177876)]