20131918072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{282847}}^1$

素因数の和:282932

約数の個数: 64

約数和(自身を含む): 45617725440

約数和(自身を除く): 25485807368

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 328, 434, 574, 868, 1148, 1271, 1736, 2296, 2542, 5084, 8897, 10168, 17794, 35588, 71176, 282847, 565694, 1131388, 1979929, 2262776, 3959858, 7919716, 8768257, 11596727, 15839432, 17536514, 23193454, 35073028, 46386908, 61377799, 70146056, 81177089, 92773816, 122755598, 162354178, 245511196, 324708356, 359498537, 491022392, 649416712, 718997074, 1437994148, 2516489759, 2875988296, 5032979518, 10065959036, 20131918072]

約数ペア:

[(1, 20131918072), (2, 10065959036), (4, 5032979518), (7, 2875988296), (8, 2516489759), (14, 1437994148), (28, 718997074), (31, 649416712), (41, 491022392), (56, 359498537), (62, 324708356), (82, 245511196), (124, 162354178), (164, 122755598), (217, 92773816), (248, 81177089), (287, 70146056), (328, 61377799), (434, 46386908), (574, 35073028), (868, 23193454), (1148, 17536514), (1271, 15839432), (1736, 11596727), (2296, 8768257), (2542, 7919716), (5084, 3959858), (8897, 2262776), (10168, 1979929), (17794, 1131388), (35588, 565694), (71176, 282847)]