20433512

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 44798400

約数和(自身を除く): 24364888

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 101, 121, 152, 202, 209, 242, 404, 418, 484, 808, 836, 968, 1111, 1331, 1672, 1919, 2222, 2299, 2662, 3838, 4444, 4598, 5324, 7676, 8888, 9196, 10648, 12221, 15352, 18392, 21109, 24442, 25289, 42218, 48884, 50578, 84436, 97768, 101156, 134431, 168872, 202312, 232199, 268862, 464398, 537724, 928796, 1075448, 1857592, 2554189, 5108378, 10216756, 20433512]

約数ペア:

[(1, 20433512), (2, 10216756), (4, 5108378), (8, 2554189), (11, 1857592), (19, 1075448), (22, 928796), (38, 537724), (44, 464398), (76, 268862), (88, 232199), (101, 202312), (121, 168872), (152, 134431), (202, 101156), (209, 97768), (242, 84436), (404, 50578), (418, 48884), (484, 42218), (808, 25289), (836, 24442), (968, 21109), (1111, 18392), (1331, 15352), (1672, 12221), (1919, 10648), (2222, 9196), (2299, 8888), (2662, 7676), (3838, 5324), (4444, 4598)]