20512652146

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 37505635200

約数和(自身を除く): 16992983054

約数列:

[1, 2, 7, 14, 43, 49, 61, 86, 98, 122, 199, 301, 398, 401, 427, 602, 802, 854, 1393, 2107, 2623, 2786, 2807, 2989, 4214, 5246, 5614, 5978, 8557, 9751, 12139, 17114, 17243, 18361, 19502, 19649, 24278, 24461, 34486, 36722, 39298, 48922, 59899, 79799, 84973, 119798, 120701, 128527, 159598, 169946, 171227, 241402, 257054, 342454, 419293, 521977, 558593, 594811, 838586, 844907, 1043954, 1051823, 1117186, 1189622, 1198589, 1689814, 2103646, 2397178, 3431357, 3653839, 3910151, 4867739, 6862714, 7307678, 7362761, 7820302, 9735478, 14725522, 24019499, 25576873, 34074173, 48038998, 51153746, 51539327, 68148346, 103078654, 168136493, 209312777, 238519211, 336272986, 418625554, 477038422, 1465189439, 2930378878, 10256326073, 20512652146]

約数ペア:

[(1, 20512652146), (2, 10256326073), (7, 2930378878), (14, 1465189439), (43, 477038422), (49, 418625554), (61, 336272986), (86, 238519211), (98, 209312777), (122, 168136493), (199, 103078654), (301, 68148346), (398, 51539327), (401, 51153746), (427, 48038998), (602, 34074173), (802, 25576873), (854, 24019499), (1393, 14725522), (2107, 9735478), (2623, 7820302), (2786, 7362761), (2807, 7307678), (2989, 6862714), (4214, 4867739), (5246, 3910151), (5614, 3653839), (5978, 3431357), (8557, 2397178), (9751, 2103646), (12139, 1689814), (17114, 1198589), (17243, 1189622), (18361, 1117186), (19502, 1051823), (19649, 1043954), (24278, 844907), (24461, 838586), (34486, 594811), (36722, 558593), (39298, 521977), (48922, 419293), (59899, 342454), (79799, 257054), (84973, 241402), (119798, 171227), (120701, 169946), (128527, 159598)]