20571807438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{31957}}^1$

素因数の和:32119

約数の個数: 128

約数和(自身を含む): 56696048640

約数和(自身を除く): 36124241202

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 131, 182, 189, 234, 262, 273, 351, 378, 393, 546, 702, 786, 819, 917, 1179, 1638, 1703, 1834, 2358, 2457, 2751, 3406, 3537, 4914, 5109, 5502, 7074, 8253, 10218, 11921, 15327, 16506, 23842, 24759, 30654, 31957, 35763, 45981, 49518, 63914, 71526, 91962, 95871, 107289, 191742, 214578, 223699, 287613, 321867, 415441, 447398, 575226, 643734, 671097, 830882, 862839, 1246323, 1342194, 1725678, 2013291, 2492646, 2908087, 3738969, 4026582, 4186367, 5816174, 6039873, 7477938, 8372734, 8724261, 11216907, 12079746, 12559101, 17448522, 22433814, 25118202, 26172783, 29304569, 37677303, 52345566, 54422771, 58609138, 75354606, 78518349, 87913707, 108845542, 113031909, 157036698, 163268313, 175827414, 226063818, 263741121, 326536626, 380959397, 489804939, 527482242, 761918794, 791223363, 979609878, 1142878191, 1469414817, 1582446726, 2285756382, 2938829634, 3428634573, 6857269146, 10285903719, 20571807438]

約数ペア:

[(1, 20571807438), (2, 10285903719), (3, 6857269146), (6, 3428634573), (7, 2938829634), (9, 2285756382), (13, 1582446726), (14, 1469414817), (18, 1142878191), (21, 979609878), (26, 791223363), (27, 761918794), (39, 527482242), (42, 489804939), (54, 380959397), (63, 326536626), (78, 263741121), (91, 226063818), (117, 175827414), (126, 163268313), (131, 157036698), (182, 113031909), (189, 108845542), (234, 87913707), (262, 78518349), (273, 75354606), (351, 58609138), (378, 54422771), (393, 52345566), (546, 37677303), (702, 29304569), (786, 26172783), (819, 25118202), (917, 22433814), (1179, 17448522), (1638, 12559101), (1703, 12079746), (1834, 11216907), (2358, 8724261), (2457, 8372734), (2751, 7477938), (3406, 6039873), (3537, 5816174), (4914, 4186367), (5109, 4026582), (5502, 3738969), (7074, 2908087), (8253, 2492646), (10218, 2013291), (11921, 1725678), (15327, 1342194), (16506, 1246323), (23842, 862839), (24759, 830882), (30654, 671097), (31957, 643734), (35763, 575226), (45981, 447398), (49518, 415441), (63914, 321867), (71526, 287613), (91962, 223699), (95871, 214578), (107289, 191742)]