20661747752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{29429}}^1$

素因数の和:29634

約数の個数: 64

約数和(自身を含む): 42379200000

約数和(自身を除く): 21717452248

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 149, 152, 248, 298, 589, 596, 1178, 1192, 2356, 2831, 4619, 4712, 5662, 9238, 11324, 18476, 22648, 29429, 36952, 58858, 87761, 117716, 175522, 235432, 351044, 559151, 702088, 912299, 1118302, 1824598, 2236604, 3649196, 4384921, 4473208, 7298392, 8769842, 17333681, 17539684, 34667362, 35079368, 69334724, 83313499, 135932551, 138669448, 166626998, 271865102, 333253996, 543730204, 666507992, 1087460408, 2582718469, 5165436938, 10330873876, 20661747752]

約数ペア:

[(1, 20661747752), (2, 10330873876), (4, 5165436938), (8, 2582718469), (19, 1087460408), (31, 666507992), (38, 543730204), (62, 333253996), (76, 271865102), (124, 166626998), (149, 138669448), (152, 135932551), (248, 83313499), (298, 69334724), (589, 35079368), (596, 34667362), (1178, 17539684), (1192, 17333681), (2356, 8769842), (2831, 7298392), (4619, 4473208), (4712, 4384921), (5662, 3649196), (9238, 2236604), (11324, 1824598), (18476, 1118302), (22648, 912299), (29429, 702088), (36952, 559151), (58858, 351044), (87761, 235432), (117716, 175522)]