20373563916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{911}}^1\times {\mathrm{14447}}^1$

素因数の和:15411

約数の個数: 72

約数和(自身を含む): 52759010304

約数和(自身を除く): 32385446388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 911, 1548, 1822, 2733, 3644, 5466, 8199, 10932, 14447, 16398, 28894, 32796, 39173, 43341, 57788, 78346, 86682, 117519, 130023, 156692, 173364, 235038, 260046, 352557, 470076, 520092, 621221, 705114, 1242442, 1410228, 1863663, 2484884, 3727326, 5590989, 7454652, 11181978, 13161217, 22363956, 26322434, 39483651, 52644868, 78967302, 118450953, 157934604, 236901906, 473803812, 565932331, 1131864662, 1697796993, 2263729324, 3395593986, 5093390979, 6791187972, 10186781958, 20373563916]

約数ペア:

[(1, 20373563916), (2, 10186781958), (3, 6791187972), (4, 5093390979), (6, 3395593986), (9, 2263729324), (12, 1697796993), (18, 1131864662), (36, 565932331), (43, 473803812), (86, 236901906), (129, 157934604), (172, 118450953), (258, 78967302), (387, 52644868), (516, 39483651), (774, 26322434), (911, 22363956), (1548, 13161217), (1822, 11181978), (2733, 7454652), (3644, 5590989), (5466, 3727326), (8199, 2484884), (10932, 1863663), (14447, 1410228), (16398, 1242442), (28894, 705114), (32796, 621221), (39173, 520092), (43341, 470076), (57788, 352557), (78346, 260046), (86682, 235038), (117519, 173364), (130023, 156692)]