20270672

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 40867176

約数和(自身を除く): 20596504

約数列:

[1, 2, 4, 8, 16, 37, 74, 97, 148, 194, 296, 353, 388, 592, 706, 776, 1412, 1552, 2824, 3589, 5648, 7178, 13061, 14356, 26122, 28712, 34241, 52244, 57424, 68482, 104488, 136964, 208976, 273928, 547856, 1266917, 2533834, 5067668, 10135336, 20270672]

約数ペア:

[(1, 20270672), (2, 10135336), (4, 5067668), (8, 2533834), (16, 1266917), (37, 547856), (74, 273928), (97, 208976), (148, 136964), (194, 104488), (296, 68482), (353, 57424), (388, 52244), (592, 34241), (706, 28712), (776, 26122), (1412, 14356), (1552, 13061), (2824, 7178), (3589, 5648)]