20154972

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 50019200

約数和(自身を除く): 29864228

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 109, 114, 218, 228, 327, 436, 654, 811, 1308, 1622, 2071, 2433, 3244, 4142, 4866, 6213, 8284, 9732, 12426, 15409, 24852, 30818, 46227, 61636, 88399, 92454, 176798, 184908, 265197, 353596, 530394, 1060788, 1679581, 3359162, 5038743, 6718324, 10077486, 20154972]

約数ペア:

[(1, 20154972), (2, 10077486), (3, 6718324), (4, 5038743), (6, 3359162), (12, 1679581), (19, 1060788), (38, 530394), (57, 353596), (76, 265197), (109, 184908), (114, 176798), (218, 92454), (228, 88399), (327, 61636), (436, 46227), (654, 30818), (811, 24852), (1308, 15409), (1622, 12426), (2071, 9732), (2433, 8284), (3244, 6213), (4142, 4866)]