20215250256

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{298477}}^1$

素因数の和:298588

約数の個数: 80

約数和(自身を含む): 55961043264

約数和(自身を除く): 35745793008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 83, 102, 136, 166, 204, 249, 272, 332, 408, 498, 664, 816, 996, 1328, 1411, 1992, 2822, 3984, 4233, 5644, 8466, 11288, 16932, 22576, 33864, 67728, 298477, 596954, 895431, 1193908, 1790862, 2387816, 3581724, 4775632, 5074109, 7163448, 10148218, 14326896, 15222327, 20296436, 24773591, 30444654, 40592872, 49547182, 60889308, 74320773, 81185744, 99094364, 121778616, 148641546, 198188728, 243557232, 297283092, 396377456, 421151047, 594566184, 842302094, 1189132368, 1263453141, 1684604188, 2526906282, 3369208376, 5053812564, 6738416752, 10107625128, 20215250256]

約数ペア:

[(1, 20215250256), (2, 10107625128), (3, 6738416752), (4, 5053812564), (6, 3369208376), (8, 2526906282), (12, 1684604188), (16, 1263453141), (17, 1189132368), (24, 842302094), (34, 594566184), (48, 421151047), (51, 396377456), (68, 297283092), (83, 243557232), (102, 198188728), (136, 148641546), (166, 121778616), (204, 99094364), (249, 81185744), (272, 74320773), (332, 60889308), (408, 49547182), (498, 40592872), (664, 30444654), (816, 24773591), (996, 20296436), (1328, 15222327), (1411, 14326896), (1992, 10148218), (2822, 7163448), (3984, 5074109), (4233, 4775632), (5644, 3581724), (8466, 2387816), (11288, 1790862), (16932, 1193908), (22576, 895431), (33864, 596954), (67728, 298477)]