20147950472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{810587}}^1$

素因数の和:810845

約数の個数: 32

約数和(自身を含む): 40853635200

約数和(自身を除く): 20705684728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 6214, 12428, 24856, 810587, 1621174, 3242348, 6484696, 10537631, 21075262, 42150524, 84301048, 193730293, 387460586, 774921172, 1549842344, 2518493809, 5036987618, 10073975236, 20147950472]

約数ペア:

[(1, 20147950472), (2, 10073975236), (4, 5036987618), (8, 2518493809), (13, 1549842344), (26, 774921172), (52, 387460586), (104, 193730293), (239, 84301048), (478, 42150524), (956, 21075262), (1912, 10537631), (3107, 6484696), (6214, 3242348), (12428, 1621174), (24856, 810587)]