20162455904

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 40947379200

約数和(自身を除く): 20784923296

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 149, 181, 244, 298, 362, 383, 488, 596, 724, 766, 976, 1192, 1448, 1532, 1952, 2384, 2896, 3064, 4768, 5792, 6128, 9089, 11041, 12256, 18178, 22082, 23363, 26969, 36356, 44164, 46726, 53938, 57067, 69323, 72712, 88328, 93452, 107876, 114134, 138646, 145424, 176656, 186904, 215752, 228268, 277292, 290848, 353312, 373808, 431504, 456536, 554584, 747616, 863008, 913072, 1109168, 1645109, 1826144, 2218336, 3290218, 3481087, 4228703, 6580436, 6962174, 8457406, 10329127, 13160872, 13924348, 16914812, 20658254, 26321744, 27848696, 33829624, 41316508, 52643488, 55697392, 67659248, 82633016, 111394784, 135318496, 165266032, 330532064, 630076747, 1260153494, 2520306988, 5040613976, 10081227952, 20162455904]

約数ペア:

[(1, 20162455904), (2, 10081227952), (4, 5040613976), (8, 2520306988), (16, 1260153494), (32, 630076747), (61, 330532064), (122, 165266032), (149, 135318496), (181, 111394784), (244, 82633016), (298, 67659248), (362, 55697392), (383, 52643488), (488, 41316508), (596, 33829624), (724, 27848696), (766, 26321744), (976, 20658254), (1192, 16914812), (1448, 13924348), (1532, 13160872), (1952, 10329127), (2384, 8457406), (2896, 6962174), (3064, 6580436), (4768, 4228703), (5792, 3481087), (6128, 3290218), (9089, 2218336), (11041, 1826144), (12256, 1645109), (18178, 1109168), (22082, 913072), (23363, 863008), (26969, 747616), (36356, 554584), (44164, 456536), (46726, 431504), (53938, 373808), (57067, 353312), (69323, 290848), (72712, 277292), (88328, 228268), (93452, 215752), (107876, 186904), (114134, 176656), (138646, 145424)]