20732895

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 19011105

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 95, 135, 137, 171, 177, 285, 295, 411, 513, 531, 685, 855, 885, 1121, 1233, 1593, 2055, 2565, 2603, 2655, 3363, 3699, 5605, 6165, 7809, 7965, 8083, 10089, 13015, 16815, 18495, 23427, 24249, 30267, 39045, 40415, 50445, 70281, 72747, 117135, 121245, 151335, 153577, 218241, 351405, 363735, 460731, 767885, 1091205, 1382193, 2303655, 4146579, 6910965, 20732895]

約数ペア:

[(1, 20732895), (3, 6910965), (5, 4146579), (9, 2303655), (15, 1382193), (19, 1091205), (27, 767885), (45, 460731), (57, 363735), (59, 351405), (95, 218241), (135, 153577), (137, 151335), (171, 121245), (177, 117135), (285, 72747), (295, 70281), (411, 50445), (513, 40415), (531, 39045), (685, 30267), (855, 24249), (885, 23427), (1121, 18495), (1233, 16815), (1593, 13015), (2055, 10089), (2565, 8083), (2603, 7965), (2655, 7809), (3363, 6165), (3699, 5605)]