20395062

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 25936938

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 439, 522, 534, 801, 878, 1317, 1602, 2581, 2634, 3951, 5162, 7743, 7902, 12731, 15486, 23229, 25462, 38193, 39071, 46458, 76386, 78142, 114579, 117213, 229158, 234426, 351639, 703278, 1133059, 2266118, 3399177, 6798354, 10197531, 20395062]

約数ペア:

[(1, 20395062), (2, 10197531), (3, 6798354), (6, 3399177), (9, 2266118), (18, 1133059), (29, 703278), (58, 351639), (87, 234426), (89, 229158), (174, 117213), (178, 114579), (261, 78142), (267, 76386), (439, 46458), (522, 39071), (534, 38193), (801, 25462), (878, 23229), (1317, 15486), (1602, 12731), (2581, 7902), (2634, 7743), (3951, 5162)]