20148512

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 43142400

約数和(自身を除く): 22993888

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1069, 1178, 2138, 2356, 4276, 4712, 8552, 9424, 17104, 18848, 20311, 33139, 34208, 40622, 66278, 81244, 132556, 162488, 265112, 324976, 530224, 629641, 649952, 1060448, 1259282, 2518564, 5037128, 10074256, 20148512]

約数ペア:

[(1, 20148512), (2, 10074256), (4, 5037128), (8, 2518564), (16, 1259282), (19, 1060448), (31, 649952), (32, 629641), (38, 530224), (62, 324976), (76, 265112), (124, 162488), (152, 132556), (248, 81244), (304, 66278), (496, 40622), (589, 34208), (608, 33139), (992, 20311), (1069, 18848), (1178, 17104), (2138, 9424), (2356, 8552), (4276, 4712)]