20358690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 39360990

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 19, 22, 30, 33, 34, 38, 51, 55, 57, 66, 85, 95, 102, 110, 114, 165, 170, 187, 190, 191, 209, 255, 285, 323, 330, 374, 382, 418, 510, 561, 570, 573, 627, 646, 935, 955, 969, 1045, 1122, 1146, 1254, 1615, 1870, 1910, 1938, 2090, 2101, 2805, 2865, 3135, 3230, 3247, 3553, 3629, 4202, 4845, 5610, 5730, 6270, 6303, 6494, 7106, 7258, 9690, 9741, 10505, 10659, 10887, 12606, 16235, 17765, 18145, 19482, 21010, 21318, 21774, 31515, 32470, 35530, 35717, 36290, 39919, 48705, 53295, 54435, 61693, 63030, 71434, 79838, 97410, 106590, 107151, 108870, 119757, 123386, 178585, 185079, 199595, 214302, 239514, 308465, 357170, 370158, 399190, 535755, 598785, 616930, 678623, 925395, 1071510, 1197570, 1357246, 1850790, 2035869, 3393115, 4071738, 6786230, 10179345, 20358690]

約数ペア:

[(1, 20358690), (2, 10179345), (3, 6786230), (5, 4071738), (6, 3393115), (10, 2035869), (11, 1850790), (15, 1357246), (17, 1197570), (19, 1071510), (22, 925395), (30, 678623), (33, 616930), (34, 598785), (38, 535755), (51, 399190), (55, 370158), (57, 357170), (66, 308465), (85, 239514), (95, 214302), (102, 199595), (110, 185079), (114, 178585), (165, 123386), (170, 119757), (187, 108870), (190, 107151), (191, 106590), (209, 97410), (255, 79838), (285, 71434), (323, 63030), (330, 61693), (374, 54435), (382, 53295), (418, 48705), (510, 39919), (561, 36290), (570, 35717), (573, 35530), (627, 32470), (646, 31515), (935, 21774), (955, 21318), (969, 21010), (1045, 19482), (1122, 18145), (1146, 17765), (1254, 16235), (1615, 12606), (1870, 10887), (1910, 10659), (1938, 10505), (2090, 9741), (2101, 9690), (2805, 7258), (2865, 7106), (3135, 6494), (3230, 6303), (3247, 6270), (3553, 5730), (3629, 5610), (4202, 4845)]