20369608

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 25163192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 67, 89, 122, 134, 178, 244, 268, 356, 427, 469, 488, 536, 623, 712, 854, 938, 1246, 1708, 1876, 2492, 3416, 3752, 4087, 4984, 5429, 5963, 8174, 10858, 11926, 16348, 21716, 23852, 28609, 32696, 38003, 41741, 43432, 47704, 57218, 76006, 83482, 114436, 152012, 166964, 228872, 304024, 333928, 363743, 727486, 1454972, 2546201, 2909944, 5092402, 10184804, 20369608]

約数ペア:

[(1, 20369608), (2, 10184804), (4, 5092402), (7, 2909944), (8, 2546201), (14, 1454972), (28, 727486), (56, 363743), (61, 333928), (67, 304024), (89, 228872), (122, 166964), (134, 152012), (178, 114436), (244, 83482), (268, 76006), (356, 57218), (427, 47704), (469, 43432), (488, 41741), (536, 38003), (623, 32696), (712, 28609), (854, 23852), (938, 21716), (1246, 16348), (1708, 11926), (1876, 10858), (2492, 8174), (3416, 5963), (3752, 5429), (4087, 4984)]