20372919

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12804681

約数列:

[1, 3, 7, 17, 21, 51, 119, 149, 357, 383, 447, 1043, 1149, 2533, 2681, 3129, 6511, 7599, 8043, 17731, 19533, 45577, 53193, 57067, 136731, 171201, 399469, 970139, 1198407, 2910417, 6790973, 20372919]

約数ペア:

[(1, 20372919), (3, 6790973), (7, 2910417), (17, 1198407), (21, 970139), (51, 399469), (119, 171201), (149, 136731), (357, 57067), (383, 53193), (447, 45577), (1043, 19533), (1149, 17731), (2533, 8043), (2681, 7599), (3129, 6511)]