20675230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 42845760

約数和(自身を除く): 22170530

約数列:

[1, 2, 5, 10, 17, 19, 34, 37, 38, 74, 85, 95, 170, 173, 185, 190, 323, 346, 370, 629, 646, 703, 865, 1258, 1406, 1615, 1730, 2941, 3145, 3230, 3287, 3515, 5882, 6290, 6401, 6574, 7030, 11951, 12802, 14705, 16435, 23902, 29410, 32005, 32870, 55879, 59755, 64010, 108817, 111758, 119510, 121619, 217634, 243238, 279395, 544085, 558790, 608095, 1088170, 1216190, 2067523, 4135046, 10337615, 20675230]

約数ペア:

[(1, 20675230), (2, 10337615), (5, 4135046), (10, 2067523), (17, 1216190), (19, 1088170), (34, 608095), (37, 558790), (38, 544085), (74, 279395), (85, 243238), (95, 217634), (170, 121619), (173, 119510), (185, 111758), (190, 108817), (323, 64010), (346, 59755), (370, 55879), (629, 32870), (646, 32005), (703, 29410), (865, 23902), (1258, 16435), (1406, 14705), (1615, 12802), (1730, 11951), (2941, 7030), (3145, 6574), (3230, 6401), (3287, 6290), (3515, 5882)]