20950996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1319}}^1$

素因数の和:1372

約数の個数: 36

約数和(自身を含む): 42245280

約数和(自身を除く): 21294284

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1319, 1444, 2638, 3971, 5276, 7942, 14509, 15884, 25061, 29018, 50122, 58036, 100244, 275671, 476159, 551342, 952318, 1102684, 1904636, 5237749, 10475498, 20950996]

約数ペア:

[(1, 20950996), (2, 10475498), (4, 5237749), (11, 1904636), (19, 1102684), (22, 952318), (38, 551342), (44, 476159), (76, 275671), (209, 100244), (361, 58036), (418, 50122), (722, 29018), (836, 25061), (1319, 15884), (1444, 14509), (2638, 7942), (3971, 5276)]