20242144

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 45654840

約数和(自身を除く): 25412696

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 197, 208, 247, 304, 338, 394, 416, 494, 608, 676, 788, 988, 1352, 1576, 1976, 2561, 2704, 3152, 3211, 3743, 3952, 5122, 5408, 6304, 6422, 7486, 7904, 10244, 12844, 14972, 20488, 25688, 29944, 33293, 40976, 48659, 51376, 59888, 66586, 81952, 97318, 102752, 119776, 133172, 194636, 266344, 389272, 532688, 632567, 778544, 1065376, 1265134, 1557088, 2530268, 5060536, 10121072, 20242144]

約数ペア:

[(1, 20242144), (2, 10121072), (4, 5060536), (8, 2530268), (13, 1557088), (16, 1265134), (19, 1065376), (26, 778544), (32, 632567), (38, 532688), (52, 389272), (76, 266344), (104, 194636), (152, 133172), (169, 119776), (197, 102752), (208, 97318), (247, 81952), (304, 66586), (338, 59888), (394, 51376), (416, 48659), (494, 40976), (608, 33293), (676, 29944), (788, 25688), (988, 20488), (1352, 14972), (1576, 12844), (1976, 10244), (2561, 7904), (2704, 7486), (3152, 6422), (3211, 6304), (3743, 5408), (3952, 5122)]