20602365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 20869635

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 449, 483, 665, 805, 1311, 1347, 1995, 2185, 2245, 2415, 3059, 3143, 6555, 6735, 8531, 9177, 9429, 10327, 15295, 15715, 25593, 30981, 42655, 45885, 47145, 51635, 59717, 72289, 127965, 154905, 179151, 196213, 216867, 298585, 361445, 588639, 895755, 981065, 1084335, 1373491, 2943195, 4120473, 6867455, 20602365]

約数ペア:

[(1, 20602365), (3, 6867455), (5, 4120473), (7, 2943195), (15, 1373491), (19, 1084335), (21, 981065), (23, 895755), (35, 588639), (57, 361445), (69, 298585), (95, 216867), (105, 196213), (115, 179151), (133, 154905), (161, 127965), (285, 72289), (345, 59717), (399, 51635), (437, 47145), (449, 45885), (483, 42655), (665, 30981), (805, 25593), (1311, 15715), (1347, 15295), (1995, 10327), (2185, 9429), (2245, 9177), (2415, 8531), (3059, 6735), (3143, 6555)]