20499348

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 53226432

約数和(自身を除く): 32727084

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 257, 276, 289, 391, 514, 578, 771, 782, 867, 1028, 1156, 1173, 1542, 1564, 1734, 2346, 3084, 3468, 4369, 4692, 5911, 6647, 8738, 11822, 13107, 13294, 17476, 17733, 19941, 23644, 26214, 26588, 35466, 39882, 52428, 70932, 74273, 79764, 100487, 148546, 200974, 222819, 297092, 301461, 401948, 445638, 602922, 891276, 1205844, 1708279, 3416558, 5124837, 6833116, 10249674, 20499348]

約数ペア:

[(1, 20499348), (2, 10249674), (3, 6833116), (4, 5124837), (6, 3416558), (12, 1708279), (17, 1205844), (23, 891276), (34, 602922), (46, 445638), (51, 401948), (68, 301461), (69, 297092), (92, 222819), (102, 200974), (138, 148546), (204, 100487), (257, 79764), (276, 74273), (289, 70932), (391, 52428), (514, 39882), (578, 35466), (771, 26588), (782, 26214), (867, 23644), (1028, 19941), (1156, 17733), (1173, 17476), (1542, 13294), (1564, 13107), (1734, 11822), (2346, 8738), (3084, 6647), (3468, 5911), (4369, 4692)]