20397108

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 50541120

約数和(自身を除く): 30144012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 137, 228, 274, 411, 548, 653, 822, 1306, 1644, 1959, 2603, 2612, 3918, 5206, 7809, 7836, 10412, 12407, 15618, 24814, 31236, 37221, 49628, 74442, 89461, 148884, 178922, 268383, 357844, 536766, 1073532, 1699759, 3399518, 5099277, 6799036, 10198554, 20397108]

約数ペア:

[(1, 20397108), (2, 10198554), (3, 6799036), (4, 5099277), (6, 3399518), (12, 1699759), (19, 1073532), (38, 536766), (57, 357844), (76, 268383), (114, 178922), (137, 148884), (228, 89461), (274, 74442), (411, 49628), (548, 37221), (653, 31236), (822, 24814), (1306, 15618), (1644, 12407), (1959, 10412), (2603, 7836), (2612, 7809), (3918, 5206)]