20039904

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:632

約数の個数: 72

約数和(自身を含む): 57493800

約数和(自身を除く): 37453896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 467, 596, 894, 934, 1192, 1341, 1401, 1788, 1868, 2384, 2682, 2802, 3576, 3736, 4203, 4768, 5364, 5604, 7152, 7472, 8406, 10728, 11208, 14304, 14944, 16812, 21456, 22416, 33624, 42912, 44832, 67248, 69583, 134496, 139166, 208749, 278332, 417498, 556664, 626247, 834996, 1113328, 1252494, 1669992, 2226656, 2504988, 3339984, 5009976, 6679968, 10019952, 20039904]

約数ペア:

[(1, 20039904), (2, 10019952), (3, 6679968), (4, 5009976), (6, 3339984), (8, 2504988), (9, 2226656), (12, 1669992), (16, 1252494), (18, 1113328), (24, 834996), (32, 626247), (36, 556664), (48, 417498), (72, 278332), (96, 208749), (144, 139166), (149, 134496), (288, 69583), (298, 67248), (447, 44832), (467, 42912), (596, 33624), (894, 22416), (934, 21456), (1192, 16812), (1341, 14944), (1401, 14304), (1788, 11208), (1868, 10728), (2384, 8406), (2682, 7472), (2802, 7152), (3576, 5604), (3736, 5364), (4203, 4768)]