20131510564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{423251}}^1$

素因数の和:423336

約数の個数: 48

約数和(自身を含む): 40957249536

約数和(自身を除く): 20825738972

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 92, 94, 188, 253, 506, 517, 1012, 1034, 1081, 2068, 2162, 4324, 11891, 23782, 47564, 423251, 846502, 1693004, 4655761, 9311522, 9734773, 18623044, 19469546, 19892797, 38939092, 39785594, 79571188, 107082503, 214165006, 218820767, 428330012, 437641534, 457534331, 875283068, 915068662, 1830137324, 5032877641, 10065755282, 20131510564]

約数ペア:

[(1, 20131510564), (2, 10065755282), (4, 5032877641), (11, 1830137324), (22, 915068662), (23, 875283068), (44, 457534331), (46, 437641534), (47, 428330012), (92, 218820767), (94, 214165006), (188, 107082503), (253, 79571188), (506, 39785594), (517, 38939092), (1012, 19892797), (1034, 19469546), (1081, 18623044), (2068, 9734773), (2162, 9311522), (4324, 4655761), (11891, 1693004), (23782, 846502), (47564, 423251)]