20289516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1567}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 51631104

約数和(自身を除く): 31341588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1567, 2158, 3134, 3237, 4316, 4701, 6268, 6474, 9402, 12948, 18804, 20371, 40742, 61113, 81484, 122226, 130061, 244452, 260122, 390183, 520244, 780366, 1560732, 1690793, 3381586, 5072379, 6763172, 10144758, 20289516]

約数ペア:

[(1, 20289516), (2, 10144758), (3, 6763172), (4, 5072379), (6, 3381586), (12, 1690793), (13, 1560732), (26, 780366), (39, 520244), (52, 390183), (78, 260122), (83, 244452), (156, 130061), (166, 122226), (249, 81484), (332, 61113), (498, 40742), (996, 20371), (1079, 18804), (1567, 12948), (2158, 9402), (3134, 6474), (3237, 6268), (4316, 4701)]