20934004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 48137600

約数和(自身を除く): 27203596

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 199, 221, 238, 289, 364, 398, 442, 476, 578, 796, 884, 1156, 1393, 1547, 2023, 2587, 2786, 3094, 3383, 3757, 4046, 5174, 5572, 6188, 6766, 7514, 8092, 10348, 13532, 15028, 18109, 23681, 26299, 36218, 43979, 47362, 52598, 57511, 72436, 87958, 94724, 105196, 115022, 175916, 230044, 307853, 402577, 615706, 747643, 805154, 1231412, 1495286, 1610308, 2990572, 5233501, 10467002, 20934004]

約数ペア:

[(1, 20934004), (2, 10467002), (4, 5233501), (7, 2990572), (13, 1610308), (14, 1495286), (17, 1231412), (26, 805154), (28, 747643), (34, 615706), (52, 402577), (68, 307853), (91, 230044), (119, 175916), (182, 115022), (199, 105196), (221, 94724), (238, 87958), (289, 72436), (364, 57511), (398, 52598), (442, 47362), (476, 43979), (578, 36218), (796, 26299), (884, 23681), (1156, 18109), (1393, 15028), (1547, 13532), (2023, 10348), (2587, 8092), (2786, 7514), (3094, 6766), (3383, 6188), (3757, 5572), (4046, 5174)]