20292714

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 49150080

約数和(自身を除く): 28857366

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 137, 211, 234, 274, 351, 411, 422, 633, 702, 822, 1233, 1266, 1781, 1899, 2466, 2743, 3562, 3699, 3798, 5343, 5486, 5697, 7398, 8229, 10686, 11394, 16029, 16458, 24687, 28907, 32058, 48087, 49374, 57814, 74061, 86721, 96174, 148122, 173442, 260163, 375791, 520326, 751582, 780489, 1127373, 1560978, 2254746, 3382119, 6764238, 10146357, 20292714]

約数ペア:

[(1, 20292714), (2, 10146357), (3, 6764238), (6, 3382119), (9, 2254746), (13, 1560978), (18, 1127373), (26, 780489), (27, 751582), (39, 520326), (54, 375791), (78, 260163), (117, 173442), (137, 148122), (211, 96174), (234, 86721), (274, 74061), (351, 57814), (411, 49374), (422, 48087), (633, 32058), (702, 28907), (822, 24687), (1233, 16458), (1266, 16029), (1781, 11394), (1899, 10686), (2466, 8229), (2743, 7398), (3562, 5697), (3699, 5486), (3798, 5343)]