20358384

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 56737440

約数和(自身を除く): 36379056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 61, 68, 102, 122, 136, 183, 204, 244, 272, 366, 408, 409, 488, 732, 816, 818, 976, 1037, 1227, 1464, 1636, 2074, 2454, 2928, 3111, 3272, 4148, 4908, 6222, 6544, 6953, 8296, 9816, 12444, 13906, 16592, 19632, 20859, 24888, 24949, 27812, 41718, 49776, 49898, 55624, 74847, 83436, 99796, 111248, 149694, 166872, 199592, 299388, 333744, 399184, 424133, 598776, 848266, 1197552, 1272399, 1696532, 2544798, 3393064, 5089596, 6786128, 10179192, 20358384]

約数ペア:

[(1, 20358384), (2, 10179192), (3, 6786128), (4, 5089596), (6, 3393064), (8, 2544798), (12, 1696532), (16, 1272399), (17, 1197552), (24, 848266), (34, 598776), (48, 424133), (51, 399184), (61, 333744), (68, 299388), (102, 199592), (122, 166872), (136, 149694), (183, 111248), (204, 99796), (244, 83436), (272, 74847), (366, 55624), (408, 49898), (409, 49776), (488, 41718), (732, 27812), (816, 24949), (818, 24888), (976, 20859), (1037, 19632), (1227, 16592), (1464, 13906), (1636, 12444), (2074, 9816), (2454, 8296), (2928, 6953), (3111, 6544), (3272, 6222), (4148, 4908)]