20456445282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{2447}}^1$

素因数の和:2784

約数の個数: 128

約数和(自身を含む): 51404709888

約数和(自身を除く): 30948264606

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 251, 273, 366, 427, 502, 546, 753, 793, 854, 1281, 1506, 1586, 1757, 2379, 2447, 2562, 3263, 3514, 4758, 4894, 5271, 5551, 6526, 7341, 9789, 10542, 11102, 14682, 15311, 16653, 17129, 19578, 22841, 30622, 31811, 33306, 34258, 45682, 45933, 51387, 63622, 68523, 91866, 95433, 102774, 107177, 137046, 149267, 190866, 199043, 214354, 222677, 298534, 321531, 398086, 445354, 447801, 597129, 614197, 643062, 668031, 895602, 1044869, 1194258, 1228394, 1336062, 1393301, 1842591, 1940471, 2089738, 2786602, 3134607, 3685182, 3880942, 4179903, 4299379, 5821413, 6269214, 7984561, 8359806, 8598758, 11642826, 12898137, 13583297, 15969122, 23953683, 25796274, 27166594, 37466017, 40749891, 47907366, 55891927, 74932034, 81499782, 111783854, 112398051, 167675781, 224796102, 262262119, 335351562, 487058221, 524524238, 786786357, 974116442, 1461174663, 1573572714, 2922349326, 3409407547, 6818815094, 10228222641, 20456445282]

約数ペア:

[(1, 20456445282), (2, 10228222641), (3, 6818815094), (6, 3409407547), (7, 2922349326), (13, 1573572714), (14, 1461174663), (21, 974116442), (26, 786786357), (39, 524524238), (42, 487058221), (61, 335351562), (78, 262262119), (91, 224796102), (122, 167675781), (182, 112398051), (183, 111783854), (251, 81499782), (273, 74932034), (366, 55891927), (427, 47907366), (502, 40749891), (546, 37466017), (753, 27166594), (793, 25796274), (854, 23953683), (1281, 15969122), (1506, 13583297), (1586, 12898137), (1757, 11642826), (2379, 8598758), (2447, 8359806), (2562, 7984561), (3263, 6269214), (3514, 5821413), (4758, 4299379), (4894, 4179903), (5271, 3880942), (5551, 3685182), (6526, 3134607), (7341, 2786602), (9789, 2089738), (10542, 1940471), (11102, 1842591), (14682, 1393301), (15311, 1336062), (16653, 1228394), (17129, 1194258), (19578, 1044869), (22841, 895602), (30622, 668031), (31811, 643062), (33306, 614197), (34258, 597129), (45682, 447801), (45933, 445354), (51387, 398086), (63622, 321531), (68523, 298534), (91866, 222677), (95433, 214354), (102774, 199043), (107177, 190866), (137046, 149267)]