20974752

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 72

約数和(自身を含む): 60592896

約数和(自身を除く): 39618144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1087, 1206, 1608, 2144, 2174, 2412, 3216, 3261, 4348, 4824, 6432, 6522, 8696, 9648, 9783, 13044, 17392, 19296, 19566, 26088, 34784, 39132, 52176, 72829, 78264, 104352, 145658, 156528, 218487, 291316, 313056, 436974, 582632, 655461, 873948, 1165264, 1310922, 1747896, 2330528, 2621844, 3495792, 5243688, 6991584, 10487376, 20974752]

約数ペア:

[(1, 20974752), (2, 10487376), (3, 6991584), (4, 5243688), (6, 3495792), (8, 2621844), (9, 2330528), (12, 1747896), (16, 1310922), (18, 1165264), (24, 873948), (32, 655461), (36, 582632), (48, 436974), (67, 313056), (72, 291316), (96, 218487), (134, 156528), (144, 145658), (201, 104352), (268, 78264), (288, 72829), (402, 52176), (536, 39132), (603, 34784), (804, 26088), (1072, 19566), (1087, 19296), (1206, 17392), (1608, 13044), (2144, 9783), (2174, 9648), (2412, 8696), (3216, 6522), (3261, 6432), (4348, 4824)]