20096804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 45255168

約数和(自身を除く): 25158364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 137, 169, 182, 217, 274, 338, 364, 403, 434, 548, 676, 806, 868, 959, 1183, 1612, 1781, 1918, 2366, 2821, 3562, 3836, 4247, 4732, 5239, 5642, 7124, 8494, 10478, 11284, 12467, 16988, 20956, 23153, 24934, 29729, 36673, 46306, 49868, 55211, 59458, 73346, 92612, 110422, 118916, 146692, 162071, 220844, 324142, 386477, 648284, 717743, 772954, 1435486, 1545908, 2870972, 5024201, 10048402, 20096804]

約数ペア:

[(1, 20096804), (2, 10048402), (4, 5024201), (7, 2870972), (13, 1545908), (14, 1435486), (26, 772954), (28, 717743), (31, 648284), (52, 386477), (62, 324142), (91, 220844), (124, 162071), (137, 146692), (169, 118916), (182, 110422), (217, 92612), (274, 73346), (338, 59458), (364, 55211), (403, 49868), (434, 46306), (548, 36673), (676, 29729), (806, 24934), (868, 23153), (959, 20956), (1183, 16988), (1612, 12467), (1781, 11284), (1918, 10478), (2366, 8494), (2821, 7124), (3562, 5642), (3836, 5239), (4247, 4732)]