20145803488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{39863}}^1$

素因数の和:40819

約数の個数: 48

約数和(自身を含む): 42041371680

約数和(自身を除く): 21895568192

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 929, 1858, 3716, 7432, 14864, 15793, 29728, 31586, 39863, 63172, 79726, 126344, 159452, 252688, 318904, 505376, 637808, 677671, 1275616, 1355342, 2710684, 5421368, 10842736, 21685472, 37032727, 74065454, 148130908, 296261816, 592523632, 629556359, 1185047264, 1259112718, 2518225436, 5036450872, 10072901744, 20145803488]

約数ペア:

[(1, 20145803488), (2, 10072901744), (4, 5036450872), (8, 2518225436), (16, 1259112718), (17, 1185047264), (32, 629556359), (34, 592523632), (68, 296261816), (136, 148130908), (272, 74065454), (544, 37032727), (929, 21685472), (1858, 10842736), (3716, 5421368), (7432, 2710684), (14864, 1355342), (15793, 1275616), (29728, 677671), (31586, 637808), (39863, 505376), (63172, 318904), (79726, 252688), (126344, 159452)]