20787029172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{48437}}^1$

素因数の和:48598

約数の個数: 144

約数和(自身を含む): 65165772672

約数和(自身を除く): 44378743500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 131, 156, 182, 234, 252, 262, 273, 364, 393, 468, 524, 546, 786, 819, 917, 1092, 1179, 1572, 1638, 1703, 1834, 2358, 2751, 3276, 3406, 3668, 4716, 5109, 5502, 6812, 8253, 10218, 11004, 11921, 15327, 16506, 20436, 23842, 30654, 33012, 35763, 47684, 48437, 61308, 71526, 96874, 107289, 143052, 145311, 193748, 214578, 290622, 339059, 429156, 435933, 581244, 629681, 678118, 871866, 1017177, 1259362, 1356236, 1743732, 1889043, 2034354, 2518724, 3051531, 3778086, 4068708, 4407767, 5667129, 6103062, 6345247, 7556172, 8815534, 11334258, 12206124, 12690494, 13223301, 17631068, 19035741, 22668516, 25380988, 26446602, 38071482, 39669903, 44416729, 52893204, 57107223, 76142964, 79339806, 82488211, 88833458, 114214446, 133250187, 158679612, 164976422, 177666916, 228428892, 247464633, 266500374, 329952844, 399750561, 494929266, 533000748, 577417477, 742393899, 799501122, 989858532, 1154834954, 1484787798, 1599002244, 1732252431, 2309669908, 2969575596, 3464504862, 5196757293, 6929009724, 10393514586, 20787029172]

約数ペア:

[(1, 20787029172), (2, 10393514586), (3, 6929009724), (4, 5196757293), (6, 3464504862), (7, 2969575596), (9, 2309669908), (12, 1732252431), (13, 1599002244), (14, 1484787798), (18, 1154834954), (21, 989858532), (26, 799501122), (28, 742393899), (36, 577417477), (39, 533000748), (42, 494929266), (52, 399750561), (63, 329952844), (78, 266500374), (84, 247464633), (91, 228428892), (117, 177666916), (126, 164976422), (131, 158679612), (156, 133250187), (182, 114214446), (234, 88833458), (252, 82488211), (262, 79339806), (273, 76142964), (364, 57107223), (393, 52893204), (468, 44416729), (524, 39669903), (546, 38071482), (786, 26446602), (819, 25380988), (917, 22668516), (1092, 19035741), (1179, 17631068), (1572, 13223301), (1638, 12690494), (1703, 12206124), (1834, 11334258), (2358, 8815534), (2751, 7556172), (3276, 6345247), (3406, 6103062), (3668, 5667129), (4716, 4407767), (5109, 4068708), (5502, 3778086), (6812, 3051531), (8253, 2518724), (10218, 2034354), (11004, 1889043), (11921, 1743732), (15327, 1356236), (16506, 1259362), (20436, 1017177), (23842, 871866), (30654, 678118), (33012, 629681), (35763, 581244), (47684, 435933), (48437, 429156), (61308, 339059), (71526, 290622), (96874, 214578), (107289, 193748), (143052, 145311)]