20524712

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 47433600

約数和(自身を除く): 26908888

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 47, 52, 68, 76, 94, 104, 136, 152, 169, 188, 221, 247, 323, 338, 376, 442, 494, 611, 646, 676, 799, 884, 893, 988, 1222, 1292, 1352, 1598, 1768, 1786, 1976, 2444, 2584, 2873, 3196, 3211, 3572, 4199, 4888, 5746, 6392, 6422, 7144, 7943, 8398, 10387, 11492, 11609, 12844, 15181, 15886, 16796, 20774, 22984, 23218, 25688, 30362, 31772, 33592, 41548, 46436, 54587, 60724, 63544, 83096, 92872, 109174, 121448, 135031, 150917, 197353, 218348, 270062, 301834, 394706, 436696, 540124, 603668, 789412, 1080248, 1207336, 1578824, 2565589, 5131178, 10262356, 20524712]

約数ペア:

[(1, 20524712), (2, 10262356), (4, 5131178), (8, 2565589), (13, 1578824), (17, 1207336), (19, 1080248), (26, 789412), (34, 603668), (38, 540124), (47, 436696), (52, 394706), (68, 301834), (76, 270062), (94, 218348), (104, 197353), (136, 150917), (152, 135031), (169, 121448), (188, 109174), (221, 92872), (247, 83096), (323, 63544), (338, 60724), (376, 54587), (442, 46436), (494, 41548), (611, 33592), (646, 31772), (676, 30362), (799, 25688), (884, 23218), (893, 22984), (988, 20774), (1222, 16796), (1292, 15886), (1352, 15181), (1598, 12844), (1768, 11609), (1786, 11492), (1976, 10387), (2444, 8398), (2584, 7943), (2873, 7144), (3196, 6422), (3211, 6392), (3572, 5746), (4199, 4888)]