20792315552

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{180539}}^1$

素因数の和:180669

約数の個数: 48

約数和(自身を含む): 42311354400

約数和(自身を除く): 21519038848

約数列:

[1, 2, 4, 8, 16, 32, 59, 61, 118, 122, 236, 244, 472, 488, 944, 976, 1888, 1952, 3599, 7198, 14396, 28792, 57584, 115168, 180539, 361078, 722156, 1444312, 2888624, 5777248, 10651801, 11012879, 21303602, 22025758, 42607204, 44051516, 85214408, 88103032, 170428816, 176206064, 340857632, 352412128, 649759861, 1299519722, 2599039444, 5198078888, 10396157776, 20792315552]

約数ペア:

[(1, 20792315552), (2, 10396157776), (4, 5198078888), (8, 2599039444), (16, 1299519722), (32, 649759861), (59, 352412128), (61, 340857632), (118, 176206064), (122, 170428816), (236, 88103032), (244, 85214408), (472, 44051516), (488, 42607204), (944, 22025758), (976, 21303602), (1888, 11012879), (1952, 10651801), (3599, 5777248), (7198, 2888624), (14396, 1444312), (28792, 722156), (57584, 361078), (115168, 180539)]