20201105504

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{25303}}^1$

素因数の和:25783

約数の個数: 48

約数和(自身を含む): 40523343840

約数和(自身を除く): 20322238336

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 409, 488, 818, 976, 1636, 1952, 3272, 6544, 13088, 24949, 25303, 49898, 50606, 99796, 101212, 199592, 202424, 399184, 404848, 798368, 809696, 1543483, 3086966, 6173932, 10348927, 12347864, 20697854, 24695728, 41395708, 49391456, 82791416, 165582832, 331165664, 631284547, 1262569094, 2525138188, 5050276376, 10100552752, 20201105504]

約数ペア:

[(1, 20201105504), (2, 10100552752), (4, 5050276376), (8, 2525138188), (16, 1262569094), (32, 631284547), (61, 331165664), (122, 165582832), (244, 82791416), (409, 49391456), (488, 41395708), (818, 24695728), (976, 20697854), (1636, 12347864), (1952, 10348927), (3272, 6173932), (6544, 3086966), (13088, 1543483), (24949, 809696), (25303, 798368), (49898, 404848), (50606, 399184), (99796, 202424), (101212, 199592)]