20795502

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5441}}^1$

素因数の和:5473

約数の個数: 48

約数和(自身を含む): 52112592

約数和(自身を除く): 31317090

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5441, 10882, 16323, 32646, 38087, 70733, 76174, 114261, 141466, 212199, 228522, 266609, 424398, 495131, 533218, 799827, 990262, 1485393, 1599654, 2970786, 3465917, 6931834, 10397751, 20795502]

約数ペア:

[(1, 20795502), (2, 10397751), (3, 6931834), (6, 3465917), (7, 2970786), (13, 1599654), (14, 1485393), (21, 990262), (26, 799827), (39, 533218), (42, 495131), (49, 424398), (78, 266609), (91, 228522), (98, 212199), (147, 141466), (182, 114261), (273, 76174), (294, 70733), (546, 38087), (637, 32646), (1274, 16323), (1911, 10882), (3822, 5441)]