20960144560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2053}}^1\times {\mathrm{7507}}^1$

素因数の和:9590

約数の個数: 80

約数和(自身を含む): 51630954336

約数和(自身を除く): 30670809776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2053, 4106, 7507, 8212, 10265, 15014, 16424, 20530, 30028, 32848, 34901, 37535, 41060, 60056, 69802, 75070, 82120, 120112, 127619, 139604, 150140, 164240, 174505, 255238, 279208, 300280, 349010, 510476, 558416, 600560, 638095, 698020, 1020952, 1276190, 1396040, 2041904, 2552380, 2792080, 5104760, 10209520, 15411871, 30823742, 61647484, 77059355, 123294968, 154118710, 246589936, 262001807, 308237420, 524003614, 616474840, 1048007228, 1232949680, 1310009035, 2096014456, 2620018070, 4192028912, 5240036140, 10480072280, 20960144560]

約数ペア:

[(1, 20960144560), (2, 10480072280), (4, 5240036140), (5, 4192028912), (8, 2620018070), (10, 2096014456), (16, 1310009035), (17, 1232949680), (20, 1048007228), (34, 616474840), (40, 524003614), (68, 308237420), (80, 262001807), (85, 246589936), (136, 154118710), (170, 123294968), (272, 77059355), (340, 61647484), (680, 30823742), (1360, 15411871), (2053, 10209520), (4106, 5104760), (7507, 2792080), (8212, 2552380), (10265, 2041904), (15014, 1396040), (16424, 1276190), (20530, 1020952), (30028, 698020), (32848, 638095), (34901, 600560), (37535, 558416), (41060, 510476), (60056, 349010), (69802, 300280), (75070, 279208), (82120, 255238), (120112, 174505), (127619, 164240), (139604, 150140)]